♪ escaping violence in yemen and hundreds of refugees cross into saudi arabia. ♪ from al jazeera's headquarters in doha i'm sammy and ahead election day in sudan and president bashir expected to extend 25-year rule and opposition boycotting the poll. >> anything is better than dilma rousseff. >> reporter: tens of thousands take to the streets in brazil against president dilma rousseff. andrew thomas in new castle

australia at a protest at a facility that could revolutionize the way the sun is used to make electricity. ♪ let's start with yemen where tribal forces have taken control in the southeast of the country and camps belong to forces loyal to former president. meanwhile saudi-led planes intensifying raids on houthi rebel targets in the southern city of aiden for a second straight day and targeted the presidential palace there. and we have a journalist in the capitol there and explained the situation on the ground. >> the tribes are sending forces and especially ground offensive but until now we have not seen anything and in control for almost four days.

>> reporter: mohamed reports from the saudi/yemen border. >> reporter: families in the border city mourning the death of loved ones, the body of one of three soldiers killed by houthi shells on friday is about to be buried. the government is here to convey the condolence. among the objectives of the air strikes is to stop conflict in yemen spilling over into saudi arabia. now there are fears the kingdom may be forced to order a ground invasion. yemen and saudi arabia share a 1800 kilometer border control over the vast territory has never been easy. hundreds of refugees are heading north. this latest wave includes dozens of yemen, somalis and ethiopians and here in the custody of the saudi border guards. they are not only running away from the conflict but also from worsening life conditions in yemen and most people arrived on foot as they crossed the border

there was fresh fighting nearby and fighter jets flew in the opposite direction. >> translator: i'm from sada and came here seeking a job but there are for jobs in yemen and the situation is miserable, only war and explosions. life there has become difficult. >> translator: we arrived yemen by sea then we took the road across rada until we entered saudi arabia at first we were only 30 and another 20 joined us. when we were captured the middleman escaped and i paid him 500 for service. >> reporter: three weeks since this began and no let up in the air campaign. with daily efforts, the coalition says the strikes are breaking the houthis and slowly causing them to lose the fight. >> translator: we have targeted a number of caves and have been converted into weapons and

ammunition stores and command center, we destroyed them. >> reporter: saudi arabia says it managed to muster support of major tribes and it has been announced monday the tribes to confront the houthis and the forces loyal to former president. but many believe that without a unified command to coordinate their operations and those tribes may not be able to tip the scale in favor of the anti-houthi campaign i'm with al jazeera on the saudi border with yemen. sudan leader cast ballot in presidential and parliamentary elections and ruled the country for 25 years and running for another term. and 15 other candidates but bashir expected to win, the mainstream opposition boycotting to vote saying it's not free or fair and catherine sawyer reports from cartoon. >> reporter: some of the young men have lived almost as long as bashir has been president and in

the past he said he would not seek reelection but now it's almost certain he will likely win the election. and we have a 25-year-old university student from darfur most of his family has been displaced by the conflict there and blames the president for failing to keep the peace. >> translator: you always mix promises and campaigns and after win he doesn't keep it and his government continues to kill people he is a liar. >> reporter: indicted by the international criminal court forward crimes in the home darfur and under his watch rebels from blue nile and south states in the mountains took up arms against the government many people have been killed and millions displaced from those regions. sudan's economy suffered because of sanctions and international isolation and one of the most corrupt countries in the world according to transparency international but ruling party

officials say his achievements are many and at the top of the list the creation of south sudan. >> i'm ready to challenge anyone to come and talk to me and let's make comparison of what i did since the time of sudan and what bashir did in education, in health in industry in the social system. >> reporter: in his campaign the president has promised to deal with the security problem in parts of the country where the national dialog is and speed the process of rewriting the constitution. when you walk around cartoon most of the campaign posters you find are of bashir and it seems he is the only one campaigning but opposition will tell you they have resources and state power and his government has silenced the voices with regular

crack downs arbitrary arrests. but it doesn't matter who is at the top, her concern is how her life will improve. >> translator: no difference between the old and the new government i just want my business to be good for my children and i. >> reporter: do you have a vote? >> no. >> reporter: he and friends tell me if they were registered voters they would not vote. >> no. >> reporter: they say there is simply no one to vote for. catherine with al jazeera cartoon. nigeria's election commission declared the people's democratic party the winner of the river state governorship. that is the party of outgoing president goodluck jonathan and lost resent presidential elections and will stand down next month. voting was extended into sunday in oil rich rivers after irregularities at polling stations and some boxes stolen and not delivered and covering elections from abuja.

>> reporter: for all political parties aspiring to keep the seat of the state or governor of river state one because it has a lot of influence in the delta and also the oil-producing hub of the entire nigerian company and they will be sitting on millions of dollars of revenue with political influence in the particular region. the rest of the country opposition and congress is making headway with almost all of this declared in the northeast or rather in north of the country except a few places like the result is also expected from the state and also in the northeast and two parties are fighting neck and neck. and it seems so powerful to unseat the current political ruling party in several states in the north especially the north central states so basically the pcp has lost some

ground and apc is emerging as the leading political party in nigeria at the moment transition from leading opposition party to a governing party in nigeria. there have been violent protests in the west african country following the death of a senior opposition leader and he died on sunday in cameroon and he was 57. in 2009 he ran to become president against the former president's son who is now president, witnesses accuse the government of poisoning him. top official who ran china ease biggest petroleum country on trial for corruption and he is charged with taking bribes and the former chairman of the state run national petroleum corporation and the part of petro china and the largest producer and the target of a widespread corruption investigation. south korea president is being linked to a massive political

corruption scandal. and had bribery lists discovered after the head of a major construction company committed suicide last week and 8 names on the list are high profile figures close to president and harry faucet explains. >> reporter: has the potential to be an extremely damaging one for the president and all centers around one man who is the head of a major construction firm here in south korea and investigated over his dealings with the parks' predecessor and energy resources project that he was involved in. now, last week he gave a news conference which he denied wrongdoing in that and the very next day, thursday he took his life but not before he wrote a list of other senior politicians he said he made illegal payments to and gave a newspaper interview as well which he made similar allegations and the key thing is all of the eight men have close links to president

parks and two are former chiefs of staff, one is the current chief of staff and one of them is the current prime minister. as well as that perhaps more intriguingly is that he also said he made a payment to her campaign manager during the 2012 election campaign, he said he paid him $180,000 u.s. dollars and used for president parks' successful presidential campaign and now we have what a worrying scandal for her and she says she will support the investigation and justice must be served and men involved have been saying they will cooperate with investigators. stay with us on al jazeera and yet to come dozens of people go on trial in turkey over the worst mining, dizzysaster in history. americans need a champion and i want to be that champion. hillary clinton makes it official and enters the race for the white house. ♪

♪ welcome back let's have a look at the headlines now yemen tribal forces taken control of three military camps in southeast of the country and camps belong to forces loyal to former president. meanwhile saudi planes have been intensifying raids on houthi rebel targets in southern city of aiden. in sudan polls have opened for presidential and parliamentary elections, almost all opposition parties boycotting the vote and long time leader bashir will hold on to power for another

five-year term. being linked to a massive political corruption scandal over a so called bribery list discovered after a head of a construction company committed suicide last week and eight names on the list are high-profile figures close to the president. the turkey now where 45 people are standing trial over the biggest mine disaster in the country history and 301 miners died last year after explosion at the coal mine and we are in istanbul. 301 miners died under ground after inhaling fumes and fire that started near an electrical transformer and 800 miners at the ground at the time but the further pits were able to escape and a damning report said a lack

of faults and lack of carbon monoxide detectors and gas masks and bad ventilation and say it was worthy of slavery and there are 45 people on trial, 8 of them managers of the plant, those 8 are charged with murder. no one from the government is on trial though although about a month after the disaster the government pushed through parliament legislation designed to improve working conditions worker safety standards here in turkey to house one of the worst records of worker deaths in europe and there is a hope certainly among the victims' families that turkey's poor record in worker safety will be highlighted during the trial. a car bomb exploded in a shia area south of baghdad killing at least four people according to local police and a parked car exploded in a complex

adjacent to a local restaurant in south of the city 17 people are reported wounded. sunni muslims from iraqi providence say they are frightened of shia malitia now they have driven i.s.i.l. out of the area and human rights groups accuse malitias of looting, kidnapping and attacks and we have more. >> reporter: this family lives in a camp on the outskirts of the city. their hometown was under i.s.i.l. control since june. and three months ago iraqi forces backed by shia malitia recaptured it and they are sunni and say they are scared to return. >> translator: we are afraid of the malitias. we are afraid they might kill us and our families. >> translator: we don't have weapons to defends ourselves if the malitias would storm our home we would be dead just like

the victims of the massacres. >> reporter: thousands of iran fighters and some government troops started campaign to recapture i.s.i.l. and posters of iran leader and predecessor are everywhere. the providence is on the border with iran and the influence is evident. [chant [chanting [chanting] closed for 30 years and now it's wide open. the popular mobilization force and shia malitias are the real power here some analysts fear the victory over i.s.i.l. may have strengthened the shia fighters. >> translator: after the liberation we witnessed increased attacks on sunnis and changing the providence and there is a sectarian and ethnic

strife currently taking place here. >> reporter: the spokesman for the popular mobilization force say they are only defending the country and denies any wrongdoing. >> translator: the talk of changing the demography is not true and felt danger of i.s.i.l. and stopped them and what they are accusing of us doing is defaming the reputation of the fighters. >> reporter: the fight against i.s.i.l. is not over and there are growing fears of more attacks. prime minister abadi took over the command of popular force to curb he says the criminal activities of a few members and also warned against the force which is now the main power fighting i.s.i.l. i'm with al jazeera, baghdad. a bomb exploded outside the morocco capitol and no one injured in the blast in tripoli since embassy was not active and

hosting u.n. backed talks to find solution to the libya crisis. hundreds held protests in the country and angry about government corruption and economic problems and allen fisher reports from south palo. ♪ many groups and many voices one message, dilma rousseff must go and tens of thousands on the streets of south palo and marched along the street stretching more than two kilometers and angry at a struggling economy and corruption scandal that has implicated politicians from president dilma rousseff's party. >> anything is better than dilma rousseff anything but dilma rousseff. >> mandate to the end but it's very important for us to show that we are not happy, not happy with the government. >> reporter: large protests elsewhere across the country but not as large as organizers predicted here the numbers in tens and hundreds of thousands.

and not as large as protests last month. a new survey said 63% of people would like to see president dilma rousseff impeached and removed from office but that survey shows 29% of brazilians believe that will happen. the president is touched by corruption scandal at the state oil farm and alleged politicss took bribe for construction contracts and belong to workers parties and allies and he was chairman but nothing suggests she did anything wrong and one person said the president is not in immediate danger of losing her job. >> huge mistakes were made but i think that there is no evidence that could lead to the president president's impeachment at this moment. of course that may appear. announcer: rights to take to the streets has been defended by president herself and says she

is making changes but outrage remains and no sign it's about to go away. alan fisher al jazeera south palo. tough in eastern ukraine after a month of relative calm and fighting between proseparatists and forces killed more than 6,000 people and violence did ease after a truce was announced in february the foreign ministers of ukraine, russia france and germany in berlin later on monday to discuss the ceasefire agreement. hillary clinton announced her campaign and the favorite to win the democratic party nomination and hit the road heading towards iowa the traditional first stop for presidential hopefuls. tom ackerman reports from the state capitol des moines. >> reporter: made announcement without cheering crowds or spot-lit stage, the message delivered in a glossy two-minute

video with diverse middle class americans voicing personal hopes for the future. >> everyday americans need a champion and i want to be that champion. >> reporter: clinton's first campaign stop will be the state of iowa to win the democratic party's popular caucus there. it's where up start barack obama beat her in 2008 with a grass root effort that should her route to the white house should not have been taken for granted. before arrival parents watching over their children play football told us hillary ought to do better if she doesn't campaign like the inevitable winner. >> she has to act like a second tier candidate and play it hard if she wants to win it. that is going to be her challenge if she really wants it, she is going to have to show it. >> reporter: this time clinton will frame her message through more intimate home style gatherings focusing on women workplace issues and narrowing the country's disparities and people who see clinton as

opponent in election are attacking what they say is vulnerabilities. >> the clintons, there is a certain sense they think they are above the law and a grand hypocrisy for the clintons we have a war on women thing they like to talk about and hillary clinton has taken money from countries that rape victims or publically lash. >> reporter: may face problems in democratic campaigns but so far no candidate e americaned to emerge to challenge her and with this nine months away she will be try to nail down a win with or without a serious opponent. tom ackerman des moines iowa. >> reporter: four guards sentenced for killing 14 iraqis and convicted of the shooting deaths which happened in baghdad in 2007 at the time they were employees of the firm black water and providing security for

state department officials in iraq. bangladesh booming garnet industry imposed by opposition and allies to try and force early elections but delaying deliveries and overseas buyers are cancelling thousands of orders and we report from gazi port in central bangladesh. >> reporter: thousands of garment workers hurry to fill an order and what they have to do to survive. but these days once an order is finished instead of being delivered the clothes could easily just end up sitting around in storage. that's because of violence like this. bangladesh opposition wants elections and it called for a transportation blockade to press their point. [gunfire] that led to violence that killed more than 100 people this year. buses and trucks have been burned. the government blames the opposition who deny their

involvement. many of those dead are drivers of these buses and trucks. . >> translator: my vehicle is insured but so what, if i get killed on the road by a bomb then will the insurance bring me back? the insurance can buy a new car but cannot bring me back to my wife and won't stop my children from becoming orphans. >> reporter: drivers afraid to work the garment industry suffered. >> translator: if the shipment is late what is the buyer supposed to do the clothing industry is a seasonal business and if my order doesn't reach the market on time then they are no longer of value. >> reporter: in many brand-name companies getting set up as bangladesh enters a third year of violent political instability. >> by trying to not take morris risk and putting some order in different countries and not

putting their eggs in one basket. >> reporter: plenty of businesses effected by blockade but none as significant as the garment industry and accounts for 80% of bangladesh's exports with all these boxes sitting here waiting to be shipped out, that is valuable foreign exchange that is not coming into the country. this is especially bad news for millions of people who see the industry as a way out of poverty and the world is finally paying attention to their often dangerous working conditions they do not contend with a new threat to their livelihoods, al jazeera, bangladesh. a team of scientists in australia says it has a technique to revolutionize solar power production and describing it as a game changer for renewable energy and could one day mean the sun is used to drive power stations instead of coal or gas and andrew thomas reports from new castle.

>> reporter: it looks almost like an act of worship but this is science. mirrored panels known as heliostats turn in unison to a tower and glow in the sunlight and could revolutionize the way the sun has electricity and the latest front for solar power >> these types of projects are where you can push the boundaries a little but also demonstrate exactly what the potential of the technology is. >> reporter: the technology works by concentrating sunlight on a single point, liquid there is heated to extreme temperatures, almost 600 degrees creating super critical steam. that drives a turbine at high speed and high pressure to create power. the steam and turbine part of technology is not new, it's the use of the sun energy to create the steam to power it that is. >> like 90% of the world

electricity comes from the hot fluid today and expanding it through some sort of turbine. all we do here is changing the front end and having concentrating sun to make the hot fluid, replacing the normal heat production which normally comes from coal or gas or bio mass or even nuclear. >> reporter: potential is enormous and would not take huge areas of sun to create big quantities of power. this is just a prototype but hope is years to come there could be fields of mirrors in deserts all over the world and one 50 x 50 could provide enough electricity for a quarter of all australia's needs. at the moment the technology is very expensive and resent falls in fossil fuel does not make green solutions competitive but in the long-term the technology could be the best chance for solar to play a big role in electricity production andrew

thomas al jazeera, new castle australia. if you want more on the stories we have been telling you about head to our web page and you can see our lead story there, the elections in sudan, it's updated around the clock. >> a police camera catches the fatal shooting of an african-american man. the deputy said he thought he was pulling out his taser not a gun. >> voters head to the polls in sudan for a presidential election