solidarity in brussels as the city mourns those killed in tuesday's attacks. more suspects are taken into custody. welcome to the world news at al jazeera. a suicide bomber kills him up at a football match killing at least 30 people. buses arrive for refugees to go away from the border but most of them refuse to go.

it's an on concert decades in the making. rolling stones rock havana thousands of people have gathered in the belgium capital to remember those who lost their lives in tuesday's attacks. as service took place, police continued their raids arresting three more people on friday. dominic kaner reports >> reporter: police move in to apprehend a suspect. the man had refused to comply with their requests to remove his rut sack. so they shot him. afterwards a robot was sent in to investigate. the man was wounded and arrested. those who witnessed the incident gave their reactions. >> translation: we heard a boom. we thought it might be a car accident. we then heard a second boom and

saw loads of heavily-armed police. when we tried to get close they told us to get out of the way >> translation: we were asked to stay indoors all the time it was going on because the police were worried there mightanother shooter >> reporter: the threat level had been levelled suggesting that the danger had abated somewhat, but as these events show, tension in this city is still very high. the incident was not the only one in brussels on friday. other people were picked up by the authorities elsewhere in the city. the investigation into the bombings now shows that one of the airport bombers was najim laachraoui. his brother has now spoken to the media. he told reporters he had had no contact with his brother najim since 2013. >> reporter: why did you stop contact with him? >> translation: because he was in syria >> reporter: did you try to get hold of him? >> translation: he was in syria. it was difficult to get a phone

number >> reporter: was it his choice or your family? >> translation: no. it was a technical choice. i have annoyed. >> reporter: friday was the last of three days for national mourning for belgium. the officials search for answers goes on meanwhile french president francois hollande says the net warning responsible for the attacks in brussels and last year in paris is being wiped out. he is warning that other groups still threaten european cities. >> reporter: the day after the bathroom attic raid in a paris suburb and france is wondering how close it came to suffering another major attack. security forces moved in on thursday night to secure an apartment here. they found both explosives and weapons. >> translation: we know there are other networks because even though the one that carried out the attacks in paris and brussels is in the process of

being wiped out with a number of its members arrested. there is still a tloot looming >> reporter: this is the suggestion expect. he was actually jailed in absentia last year by a belgium court being part of a network sending fighters to syria. many people in europe are wondering how such suspects can escape capture and carry on planning violent acts. as france was deploying hundreds of extra police after the brussels bombings, president francois hollande called for better information sharing. >> if we have this shared intelligence strategy, knowing where they might be, knowing how they can use their "skills'learnt in syria, better we have the capability of preventing these attacks. >> reporter: in belgium this week's events led to the justice

and interior ministers offering to resign, although the prime minister turned down the gesture. while here in france politicians from the ruling party accept there have been security failures. >> translation: we did not do enough and weep did not act quickly enough. there are a number of measures that have been planned but need the europe ian's approval so we can keep track of people's movement >> reporter: hours before thursday's raid there was an outpouring of anger in paris. the demonstration requiring a heavy police presence. the issue that is bringing people onto the street might be changes to the country's labor laws, but many people in france are worried about security and more and more are asking what politicians can do to make them safer. >> reporter: that's a question echoing around europe right now

in yemen at least 22 people have been killed when three suicide bombers attacked the southern port city of aden. one car bomb went off near a military check point. the other two explosions hit choke poits on a road to a base. i.s.i.l. have claimed responsibility. i.s.i.l. says it was behind an attack at a football stadium south of baghdad. fleeflt 30 people were killed when a suicide bomber blew himself up. it happened as trophies were being presented after a tournt-- tournam ent. the u.s. says it has killed a senior i.s.i.l. leader who was running the group's finances. he died in a raid in syria. ash carter refused to be drawn on the details. >> reporter: the momentum of this campaign is now clearly on our side. >> reporter: the u.s. claims this is a significant step in the battle against i.s.i.l., the killing of the group's main

money man >> we are systemically eliminating i.s.i.l. as cabinet. need, the u.s. military killed several terrorists this week, including, we believe, a man who was an i.s.i.l. senior leader serving ago a finance minister and who is responsible for some external affairs and plots. he was a well-known terrorist within i.s.i.l.'s ranks >> reporter: this is the man, a former no.2 in al-qaeda he trance erred federal to i.s.i.l. after his release from prisoner in iraq in 2012. this is the second time he has been declared dead. in the days after the attacks in brussels the u.s. believes this is an important victory >> if they're direct, we want to get at the people and then eliminate the people who are directing them. even if it's just inspiration it takes you back to iraq and syria and the need to eliminate the

sources of ainspiration >> reporter: one middle east observer says i.s.i.l. is under growing pressure >> as we've seen in last couple of months, these are signs of a group in retreat. it's also a sign of a strategic change. for that end eliminating more of the leadership becomes important as the group rethinks its targets and its strategy going forward it has also been revealed the pentagon will ask the president to improve more troops. it is unclear where the intelligence came from that allowed him to be targeted, bull he has a 7 million dollar bounty on his head large numbers of refugees are the greece-macedonia border are refusing offer from greece's government to move to better accommodation. nearly 12,000 refugees have been living in a make shiflt tent city at the border crossing where they have been stuck for

weeks. >> reporter: this time the government in greece has been able to convince migrants and refugees to move from idomeni. some people are convinced that this border will not open. they have been explained that the evacuation is voluntary. the majority of people are still refusing to go. they prefer to stay here where they have been for weeks. for now they are blocking the railway tracks leading across the border. they're hoping their blockade will help the authorities on the other side to let them in. >> translation: people came here to cross, not stay in camps. some people have been separated from their families. i have two children in germany. what if the relocation program sends me somewhere else? what do i do? >> reporter: the refugees are losing patience and they fear the e.u. program to relocate them across the continent it will take months t we are human beings, they say, as they make

an appeal to the world to end their suffering. it may take some time. >> translation: there are some challenges in this relocation program. they are due to logistic issues. the capacity of processing, of course, is limited, so even the government is now scaling up. we know, for instance, that they are recruiting more people and so we know for sure that in the next days the capacity will increase. >> reporter: greece is now home to 50,000 migrants and refugees who say they feel trapped. people are confused here. there's a lot of uncertainty and the conditions are only getting worse. according to the united nations, among a population of more than 12,000 people, 4,000 are children and the tents have done little to protect them from the rain and the cold. >> reporter: this man and his family are so desperate that they say they want go back to syria, even if it means returning to raqqa even if it is controlled by i.s.i.l. they have nothing left.

they sold all they own by coming here. >> translation: going back to syria is better than staying here, even though our house has been sold and we've paid everything for our journey. here we are dying. >> reporter: it is the latest flash point in the european refugee crisis. this was not their intended final designation, but it has become just that with more and more losing hope meanwhile stricter id controls in our countries fearing that refugees will seek new roots. this is latv sishgs a's new fence. -- latvia. we look at the project that critics say will destroy parts of an historic pakistani city. >> reporter: i'm in cambodia

where a dying generation of traditional musicians are working desperately to preserve their art. their art.

welcome back. a quick reminder of the top stories. thousands of people gathered in the belgium capital to remember victims of tuesday's suicide attacks. three more people have been arrested in brussels in connections with the bombings. a major setback for i.s.i.l. the u.s. says it has killed the man in charge of the group's

finances. refugees are the greece-mass daen i can't border are refusing help to move to better accommodation despite worsening conditions there. in turkey the trial of two newspaper journalists accused of revealing state secrets have been adjourned. last may a video was released claiming to prove turkey was smalling arms to fight in syria. our correspondent has more. >> reporter: an inconclusive end to this first day of this trial of these journalists. when he came out he said since they were released from pretrial detention they have been experiencing a half freedom, knowing that the trial date was coming up and knowing that they

might be put back in prison by the ends of these proceedings this friday. that didn't happen. he said that they would remain in that state of half freedom for another week now while they awaited the next trial date. this centers around the two men's publication in the newspaper last may of a story and, indeed, video showing that the national intelligence agency was transporting arms into syria for use in the syrian civil war. the newspaper said they were being transported to jihadi fighters. the government denied that saying it was designed for ethnic turkman t there was furious reaction from the government, especially from the president erdogan, who said the journalist would pay a heavy price. he and his colleague are charged with trying to overthrow the government with espion gashgs e and aiding a terror group. they said they were going nothing, just committing an account of journalism.

this will continue. it is very much the focus of a much larger debate in this country at the moment about the issue of the freedom of the press pope francis has led good friday ceremonies in roam ahead of easter celebrations on sunday. thousands of people have gathered to witness the traditional cross procession. the leader of the catholic church condemned anyone carrying out terrorists acts in the name of religion. many have also observed good friday in the old city of jerusalem. some christians held a protest against plans to increase settlements. the end of lent for roman

catholics which last 40 days. they say they want a joyful atmosphere back to the city. easter is mexico means that a trip to the beachs for tens of thousands of tourists. this year they will have members of the armed forces. the resort town wants the playground of the rich and fames has become one of the most violent cities in the world >> reporter: a crime scene in the most violent city. this time armed men shot up a strip club. as the bodies are taken out, the taco in front carries on serving. residents have grown used to these scenes. this is just a block away from the beach. the resort town was onceous for hollywood glamour. it is now struggling with a new

reputation, gang warfare. the army has been called in to protect them during high season here. eastern the arch bitch open has appealed to the gangs for a truce. >> translation: i've been asking all of those who cause violence and fear in the population to stop killing during easter. >> reporter: the hotels and restaurants are praying for the same, but 12 people were murdered just during our 48 hour visit. gangs have been fighting for years here. first for drug routes and then extortion and kidnapping racquets. the results are scenes like this one that become so commonplace that when they happen, the city doesn't really miss a beat. you can that hear the music and see the party continuing in the bar next-door. no official was available to speak to us, but over the last six years they've sent in waves of heavily armed police and

military to deal with each outbreak of violence. the gangs always come back leave this man desperate for a solution that works. his restaurant should be full now, but losing clients is just part of the problem for business owners in town. >> translation: they are saying you have to pay protection money or they burn your business or they kill you and your family, and the majority of the people just run for it and leave town. >> reporter: extortion is affecting beach vendors too. eight have been killed in the last three months. this one right next to a group of canadian visitors. the violence creeping closer to the tourists who are the life blood of a struggling town in afghanistan the fight against the taliban is hitting the army hard. last year alone it suffered an increase of 30% casualties. the numbers are not sustainable.

with the taliban gaining grounds in provinces, there is concern it is going to hit government forces harder >> reporter: when the americans were here, this prons was calmed camp bright. now the afghan army calls is simply bripg aid. the u.s. forces pulled out 18 months ago and took their technology with them including vital air cover. >> translation: if they supply us and pay attention to our air force, we could show to the world that we are brave and we can defend our country independently. >> reporter: it is a different picture being shown these days, behind these hills where americans suffered some of their heaviest casualties, but afghan soldiers are suffering more. over 100 killed in base last year. they're up against taliban units, experts in guerilla warfare. they control more territory than at any time in the last 14

years. the afghan army rely on small arms and heavy machine guns. >> reporter: since the u.s. scaled down its operations, the afghan army cannot rely on american fire power. that has made a significant difference to their capability to take and rehold territory. that air support is no longer there to help remove the wounded from the conflict zones and that means survival is reduced >> translation: an iud bomb exploded and we were ambushed. if we had air support we could have evacuated an injured soldier. with air support he would have survived >> reporter: there's an 40% unemployment rate and many enlist because they have no other options. it leaves many without

incentive. >> translation: a soldier should have a strong faith and physical power, but this enemy is armed to the tuth and has support from our neighboring countries, including pakistan and iran. we need a powerful force with heavy ar till renks tanks and air force. >> reporter: the afghan security forces are suffering rates of casualties the americans say are unsustainable. the official line is positive. >> translation: our soldiers are from this country and they're muslim and they know what they're doing is the right thing. to defend our people and homeland and we have to fight with everything we have. >> reporter: analysts say north the afghan army nor the taliban is strong enough to win the war, but afghan army believes if the u.s. was still here in force it would be a different story so-called mega projects may be relatively easy to undertake in new cities, but if you're

dealing with one that is four thousand years old, it is a different matter. that's why the construction of a new train line in lahore is causing people some concern. >> reporter: this is lahore, historic city and pakistan's second largest, home to monuments dating back hundreds of year. here you will find remnants of architecture, inter mingling traces of the sheik embuyer panned british colonialism. this sky line will be changed forever if a new train line is given the go ahead. >> this development project is threatening over 11 heritage sites that are listed under the l law. some of these sites will be

damaged forever. >> reporter: the government says projects like this are needed in a city congested with bumper to bumper traffic >> this is about 27.1 kilomet s kilometers. it has 26 stations. it will be catering for 450,000 people on a daily basis to start with and ultimately this will be facilitating about 500,000 people on a daily basis. >> reporter: critics say it won't solve the problem. >> this project feeds less than 2% of the population and is not integrated with anyone. >> reporter: it is not the heritage but the human cost of this project which will affect tens of thousands of people. this lady has lived here since independence in 1947. when she and her family moved here. she has already seen her neighbours' house demolished. she says she has been

compensated because she says they were told to take the money or see their home demolished. >> translation: if the government would have given us an alternative place for living before demolishing my house, i would have vacated it, but the money is not enough to buy a house. >> reporter: this project of-- project many cut a wound throughout the country cambodia's a roam killed more than 200 people. music was banned and many were murdered. 30 years on surviving musicians are racing against time to revive their art. >> reporter: this is a tough teacher.

he has been a traditional wedding musician in cambodia for more than half a century. he expects nothing less than perfection from his students. >> translation: this traditional wedding music is my life. i won't stop playing it until i die. i will continue teaching it to the younger generation. [ ♪ ] >> reporter: but his love of music almost cost him his life musicians like master men were hunted and killed by the khmer rouge regime in the 1970s, murdered more than 2 million people and banned all forms of art to establish day prurl agrarian society, uncorrupted as they saw it by any creative people or intellectual.

>> translation: because the commercial ruj wanted to have-- the khmer rouge didn't want any form of expression, they were all killed. no religion, no music, no arts, no expression. >> reporter: within just one generation cambodia's rich heritage was decimated. a cultural organization called cambodian living art is working with old musicians and dances to teach a new generation: they are facing some new challenges. increasingly young cambodians are turning away from traditional music. they are listening to pop and american hip hop. >> translation: i think this day the people, not many people

understand the traditional music. >> reporter: for now it's tourists who are helping keep traditional art forms alive. these performing artists say it's not easy competing against the influx of western music. then, again, what they have is well worth saving finally, the rolling stones have made history by playing a gig in havana that was in the decades of making the band kicked off the band with jumping jack flash. ethe estimated half a million fans attending the free concert certainly weren't disappointed as the hits kept on coming. the stones and many other bands

were band on the island. this is the their last concert on their latin america tour. stay up to data at aljazeera.com "on target" tonight. robots in the workplace. cyber war between nations and designer babies our digital future and how it will change the way we live. get ready because the future is coming. how many times have you heard that? now you're going to hear a lot about a so-called fourth industrial revolution. that's already upon us by the way. this revolution will undo the global industrial economy which has underpinned the advance he made by society for more t