>> a tunisian soldier guns down seven colleagues before being shot dead at a military barracks. hello i'm mary ann namazi this is al jazeera live from london. a mass grave is discovered near the thai border. a tornado rips through a mexican border city, at least 13 are killed another 200 are injured. >> i'm wane hay reporting from new zealand. where the country's rugged

landscape has inspired technology that could help save lives. >> hello a tunisian shol engineer has opened fire on his colleagues at a -- soldier has opened fire on his colleagues. nazanine moshiri has the details. >> this is a city that was already on edge. the confusion outside the military bairks barracks moments after the shooting is adding to the tension. one soldier stabbed his colleague to death and grabbed his weapon. the military insists he must have killed for personal reasons. >> this soldier suffered from personal problems, behavioral disorders.

he was recently transferred oa less sensitive unit where he was not allowed to carry weapons. the motives are under investigation. >> his motives will be crucial. investigators will want to speak to his friends and family. the base is in the heart of the capital, close to parliament and the bardo museum. this is where 22 people were killed in march most of them tourists. the two men responsible were tunisians who had received weapons training in libya. what happened will do nothing to reassure people already stunned by the bardo museum attack. the military is one of the most trusted in the country it's responsible to protect tunisia's borders from the instability and violence in libya. people will want to know why and how a sollier was allowed to

turn on his own comrades. nazanine moshiri, al jazeera tunis. 140 suspected graves were found in abandoned jungle camps used by traffickers near the thai borders. reporting from pearla state be the camps were used by migrants from bangladesh. >> traffickers would try to extort ransom money from their families. children's toys, cages to hold prisoners and bullet casings have now been discovered. the camps are abandoned. police feel they have found mass graves nearby. >> we have discovered 139 what we believe to be graves. we don't know what are undersneet. we also discovered one highly decomposed body.

around we will also bring that down we will conduct postmortem to get to the cause of death. >> many of the camp occupants are thought to have come from myanmar and bangladesh. more than 3500 have come from the indonesia and malaysia alone. if they don't go by sea many try escaping over land borders. the jungle between malaysia and thailand is known to be used by both smugglers and traffickers. similar camps and more graves

were found on the thief side of thethai side ofthe border. >> the only thing surprising about this is the malaysian government didn't find these earlier. now they have to investigate what's happening there whether complicity by government officials and others, and investigate and prosecute everybody who is involved. >> reporter: human rights watch says there needs to be pressure put on the myanmar government. it is feared many more will perish in are migrant camps or at sea. >> no mercy was shown to the migrants. >> what we know is that there is

appalling torture of these smuggled victims. finally the finalist transport place before they get into malaysia. torturing them beating them getting them to call their families in great distress. if a family can't pay they simply let them die. we in iom have treated over 60 people for beri beri, a disease where you're a walking skeleton. we are talking about the same situation of the nazi death camps of world war ii. people starved to the point they can't even support their own body. no humanity, treatment of these victims these migrants whose only offense is to seek a better life has been absolutely profound and shock and the coni'veconnivance of local authorities.

reduce the qualities and give them a chance to be stay. >> i.s.i.l. has set fire to be be anbaranbar province's largest oil refinery. fighting in yemen's third city ta'izz has killed at least 13 people. most died when a shootout triggered an oil tanker to explode. it had been stolen by gunmen and moved to one of the cities neighborhoods. world response to the earthquake in nepal has been disappointing.

it comes exactly a month since the disaster. hundreds of people have health a candle lit vigil to remember the nearly 8700 people who died in the quake. classes should begin again before the end of the month but as fez jamil reports many of the students are not ready. >> picture perfect sland scape or at least it was before the earthquake. nothing has been spared, homes hotels and schools. this one housed more than 100 primary students from the area. before the may 12th aftershock damaged these buildings this school was already in need of money for a new boundary wall equipment and furniture. so the head teacher isn't sure of when or if the government will come through with the money to rebuild the place from

scratch. >> translator: the monsoon rains are coming next month. then no one can do anything. the international community will have to keep pushing the government to make sure they use the money to rebuild schools. >> reporter: given lack of government funding before the quake he's not counting on it but the education ministry says they're already working on a plan. >> translator: some schools will need to be redesigned while others will have to be moved to safer spots. it is hard to say but it will cost tens of millions of dollars to repair all the damaged schools. >> getting the schools ready even temporary ones is one thing but preparing the students to come back is something different since most have been dealing with the aftermath of earthquake thean to deal with school. 18-year-old robin left his school pay's aftershock destroyed his school and the books he needed to study for

exams. >> going to aftershock i haven't been able to concentrate on my studies. the tremors continue. i haven't been able to study. >> the books and uniforms of some students are buried under the rubble of their home. without them they can't attend school and they don't believe that is fair. >> i have dreams to study and stay care of my family. it is not a good feeling but there's nothing i can do. >> life has never been easy but today is another day-to-day struggle. and the worry of most people is that their the future of their children their education will be damaged as well. fez jamil, al jazeera nepal. >> 200 people have been injured in what's been called a mexico national disaster.

adam rainey reports from mexico city. >> reporter: the damage left in a tornado's wake. the storm instruction just after 6:00 in the morning. labored a category 4 storm with winds in excess of 300 miles per hour. although texas has more tornadoes that be any other state, they are rare in mexico. civil defense officials told al jazeera they don't have alarms or aren't ready for what hit them. more than 180 were injured in the storm. at least 350 homes were damaged. the governor has visited the scene assessing the damage. it's being called a national disaster. as the search of the debris goes on the authorities say the death toll could rise. adam rainey, al jazeera mexico city. >> just over the border in texas the governor has declared a

state of emergency. the neighbor state of oklahoma which had been experiencing a serious drought was badly damaged. gabriel elizondo has the report. >> underwater, that's the way they felt after being battered by days of flooding. hundreds left their homes in the wake of the storms and there are people missing. small towns in central texas bore the brunt of the damage like in wimberly. his wife and two kids are still miss being. >> we do have whole streets that have maybe one or two houses left on them and the rest are just slabs. >> when you walk down are here you can tell it's going to take months to fix a lot of this stuff. >> in neighboring san marcos texas neighbors have been

warned to stay nude. >> there are power lines down, debris this is not the time to start moving. this is the largest flood in the history of this region. so it's significant in its impact, it has -- it is different than any flood we've ever had. >> in clairemore oklahoma they are dealing with cleanup and grieving after a firefighter was be swept away and drown. now people are just hoping for the rain to stop, but it might be wishful thinking. forecasters are expecting another storm to hit the area in the coming days. gabriel elsdz, al elizondo, al jazeera. >> still ahead fuel shortage in

nigeria. plus an intimate theater experience we report on a very personal approach to the arts. arts. is there such a thing as a sure thing in business? some say buy gold. others say buy soybeans. i say, buy comcast business internet. unlike internet providers that slow down when traffic picks up, you get speed you can rely on. it's a safe bet. like a gold-plated soybean. reliably fast internet starts at $69.95 a month. comcast business. built for business.

>> welcome back. a quick reminder of the top stories now often al jazeera. a tunisian soldier has shot dead seven his colleagues in the capital tunis before being killed himself. migrant crisis, in malaysia,

comments after 139 graves of what was believed to be migrant workers were discovered. other news, chronic fuel shortages in nigeria have forced some businesses to trailer shut down. but the tries which have caused huge fuel queues at the petrol pump is over. al jazeera am ahmed idris is in cano. >> this is in the city of cano, the queues here are more than a kilometer long. people believe that no matter how long it takes they can still get a little fuel inside their cars. what is happening here as well as other petrol stations across the country and electricity

generation which was 3,000 megawatts, is down to an all time low of 1500 megawatts. pipeline owner confiscation and marketers importing the products as well as corruption in the oil and gas industry. now airlines, banks hospitals and even telecommunications companies have or are considering shutting down their operations or scaling back their operations simply because of the energy crisis in nigeria. transportation costs have gone up and cost of goods and services are now on the rise. fuel be issues are no news for nigerians, that is no news but this threatens to shut down the country just a few days before a

new government comes into office. >> rallies have resumed in the unburundi capital buj bujumbura. haru mutasa reports. >> there they are some gathering over there. the plan is to eventually get into the city center. the police know this so the police are on the ground pretty much in every volatile neighborhood. they'll try and block them from reaching the city center. people have another plan. they try to get as many people as possible to participate in these protests and not use fear as an excuse. now stopping buses from going into town, carrying people to work, they have gone to the markets and telling women in the markets, to not open, get as many people as possible, even if

you have to force them, march into the city center and that's when they say that's when the big protests will actually take place. despite the police being ton streets, they have one message to the president they don't want him to run for a third term. antiausterity parties this spain have made significant gains in regional and local elections. the ruling conservative party suffered its worst result in over 20 years after a string of corruption scandals. tim friend reports. >> the spanish woke up to a new political landscape. the established parties were punished by the electorate for austerity and corruption. and the newspapers predicted a new era of coalition politics and further instability. earlier, as the election results came in, it quickly became clear that this man would play a leading role in what accommodation next. the pozemos podemos leader pablo

iglesias. >> we gain strength to continue the political transformation of this country. >> reporter: from barcelona to madrid there was celebrations as candidates from the smaller parties triumphs. overturning the conservative popular party and the mainstream socialist. >> people have spoken and will continue to do so. i'm proud that madrid and barcelona have marked the beginning of a new phase. >> they must come down from the clouds negotiate talk and find new solutions. >> reporter: the prime minister are now under huge pressure in a runup to general election due in november. >> i insist that the victory of

the popular party is unquestionable. however, it is be obvious that we haven't maintained the be majority that the voters gave us. we can't be satisfied. >> after a few years it could be on the brink of holding the balance of power in spain. tim friend, al jazeera. >> now china's prime minister is touring latin america as pardon of a broader effort to broaden economic ties with the region. daniel schwindler reports from buenos aires. >> the first chinese arrived in buenos aires in the 1950s and 60s to a culture very different than their own. a new wave opened recently to open neighborhood supermarkets. but it's argentine soy and other commodities.

>> most chinese people think this is a good place to work because you still have opportunity but not really not a very easy place to live. not because they don't like the country. actually a lot of people like this country. but you have to find a way to love it. >> reporter: the president of china, xi jinping was in buenos aires last year when a tour of ceremony and contract-signing. the argentine leader many cristina kirchner, returned the favor this year, in finding out more. >> with the visits of the president and a lot of increasing interchange between the two countries you can really notice an increasing interest in local people learning chinese. >> this is where two distant as very different cultures meet, in the small but compact bario chino or chinatown.

many here are trying hard to make it work. be as china is investing heavily, they are keen to encourage more general understanding. >> translator: the differences in our customs are minor difficult. the biggest difference is language. everything is different. if we don't know the language we can't communicate fluently. language is the bridge for so many things. >> mandarin is now offered in many buenos aires schools. there are still difference and misunderstanding to come. >> translator: to say hello in chinese there is no handshake or kissing just a gesture. a bough of the bow of the head to show respect. we have to get used to saying hello with kisses. >> no one wants to get left behind in a relationship be developing both economically and

culturally. daniel schwindler, al jazeera buenos aires. >> for lovers of the outdoors you can't get much better than new zealand wilderness. but venturing outside could be fatal. new technology helps save lives. >> justing cameras on so-called unmanned drones is knot nothing new but using them for search and rescue certainly is. >> our be focus is on humanitarian side,. >> it is a joint venture with the local coast guard a voluntary organization. affiliated with the latest cameras and other technology drones can prove to be a high in the sky.

>> go in the direction they feel need to, or 50 meters up behind the boat. >> reporter: the price for small models will be around $5,000. larger drones will be developed that will be able to stay up in the air for up to ten hours and carry rescue equipment. where 1500 kilometers of coastline, new zealand.'s rugged butte is a mag tet for those who love the outdoors and every day there's a chance for something to go wrong and when it does, search and rescue works face huge challenges. ultimately they may be able to vastly reduce their use of conventional aircraft, thereby saving money and improvement security. >> we send our crews into harm's way quite regularly. and if we could eliminate four crew members up in the sky doing

asearch by sending a uav up that is gold in my book. >> working with the red cross they believe that one of the potentials is developed in christchurch still struggling to rebuild after a large earthquake struck four years ago. of course there is a commercial aspect to the project and it has to pay for itself eventually but in the meantime, humanitarian groups will benefit from the technology. wayne hay, al jazeera christchurch. >> a new production company is turning the theater into a more personal experience as kristin saloomey explains. >> amid a bustling commercial center in new york, a chance to experience theater up close and personal. just follow the red carpet to see one of five free shows each lasting around five minutes written by a well-known

playwright and it's called theater for one. the space is designed to feel like a traditional theater albeit a very small one. there's red velvet house lights and music. the idea is to make you more comfortable in what can be an uncomfortably intimate environment. >> be intimidating because do not know how to react. >> it was very nice. what inot what i expected at all. but i thought the actor was amazing drawing me in. >> very interesting. he is very good. very good indeed. >> backstage the stage manager runs the show, funded by grants of the property owner. award winning christine jones came up with the idea. >> when you go into a booth with

someone it's like holding a microscope or microphone, up to that individual. so we thought it was very interesting to be in this kind of busy tran chernt place and transient place and bring the be observer, into a focused area and you zoom into the stranger in front of you. >> reporter: the actors perform their pieces 12 to 20 times driveway and never a day and never know what to experience from the audience. >> it's just you so number one do i participate? number two do i pull back because i don't want to get in the way? but we've had varied experiences where people want to speak with us. >> i can see you weren't expecting me. >> each play is inspired by the

phrase i'm not stranger you think i am and by the end of the show you can't help but know each character intimately. kristin saloomey, al jazeera new york. >> remember, all we're covering on our website aljazeera.com. .com. science, by scientists. tonight, "techknow" investigates mining the deep. dr. shini somara is a mechanical engineer. tonight, one company's ambitious plan that could be worth a