>> can affect and surprise us. >> don't try this at home. >> "techknow" where technology meets humanity. monday, 6:30 eastern only on al jazeera america. >> yemen's houthi rebels seize an air base from the president's force, 60km from his stronghold of aden you're watching al jazeera live from the headquarters in doha. also coming up recovery efforts in the french alps where a german airliner crashed, killing all 150 people on board. the advance on idlib.

why syrian rebels are being forced to work together. and at least nine are dead and several missing in a mud slide in central peru we begin in yemen, where rebels reportedly are moving closer to president abd-rabbu mansour hadi. taking an airbase which u.s. forces abandoned a few days ago. >> houthi rebels are pushing south to the capital sanaa, and that is where the president is trying to consolidate his power. the air base saw is battle between abd-rabbu mansour hadi's forces and the rebels. president abd-rabbu mansour hadi asked the u.n. security council to ask what he calls willing countries to use military action against the houthis. there's reports that saudi arabia has amassed troops on the

border. a political analyst, editor-in-chief for the yemen "post" joins us from sanaa to tell us about the houthis taking over the air base near aden. how significant is that development? >> it's over now. the houthis have arrested abd-rabbu mansour hadi's defence minister now. the houthis arrested we're going to explore the intersection of hardware and humanity and we are doing it in a unique way. abd-rabbu mansour hadi's military commander. it's over now. there's no need for the houthis to attack. the leaders are under houthi arrest isn't this surprising because aden is where hardy has consolidated the power base at least. >> yes, his military commander are arrested by the houthis. the defence minister is under houthi control.

abd-rabbu mansour hadi is now handless, he has no military wings to fight with. that's why he's on the run. aden is the houthis - if they take aden they can do that within minutes by air strikes. there's no need to enter aden. as we talk houthis have hundreds of fighters in aden according to a senior houthi commander that i spoke to an hour ago. there's no need for the houthis to enter aden they are there. as soon as they know the location of abd-rabbu mansour hadi, if they do not surrender, they'll use air strikes against him. they expect him to surrender or leave the country. surrender line the defence minister did two minutes ago, or leave the country. >> what do we expect abd-rabbu mansour hadi to do next. he has called for what he is saying "willing countries" to intervene militarily. how likely is that to happen now

that the airbase has been taken. according to what you say some of his ministers have been arrested and he is on the run, cording to your sources. >> the problem is that abd-rabbu mansour hadi's allies the couple countries of the u.s. and u.k. are slow in reacting. houthis's allies is decisive and quick. while hardy's allies are talking, houthis are spading up the process. that is why we reach the result. i do think it will most likely be in a gulf country where doha is in the other, but abd-rabbu mansour hadi will not remain in yemen. only if the houthis surrender. >> there are talks that are meant to take place in the gulf

to find some sort of resolution for the crisis in yemen, and what is going on there. what are the chances of success in europe and considering that the houthi leader said that they will possibly boycott these talks? >> the houthis will not boycott the talks. the houthis will boycott the talks if they are not in control. the houthis want to enter the talks powerful and strong and by taking a tour of the airbase this ensures that the houthis goes to the dialogue table as the powerful tide and they can oppose them. this on the other hand will not be accepted by all the factions within the dialogue will not be accepted. they want a country of a transitional experience. under the houthi control. this is where i feel yemen will

enter the clashes. they want to control yemen ordering to what they control, the factions that are more powerful that the houthis, but not militarily. so it will be a war between politics mill tansy. they come up with the other hand. >> we'll leave it there. thank you. they must be the editor from yemen. joining us from sanaa. updating us on the latest information that he's getting according to his sources in yemen, and that is that the houthis are actually in aden and close to aden and the defence minister of president abd-rabbu mansour hadi saying that the president, himself, is on the run at this point. we'll follow that story, and get you more information on al jazeera we will turn to france. that is where the recovery operation resumed in the alps

where a german jetliner crashed. look at the live pictures from this village, where the search crews are based. the effort are for covering bodies and efforts, hampered by stormy weather. the german plane came down close to the staging post on tuesday, killing all 150 people on board. jacky rowland, joining us from the scene tells us how the recovery operation is going. >> well yes. it started at first light, and over the past few hours, we have seen and heard the helicopters coming and going. ferrying mountain rescue teams back and forth from the crash site. also large container lorries as well have been coming and going. we understand that they may be collecting the remains, the human remains of the victim the people aboard that airliner. certainly the weather seems to

be deteriorating or the wind is picking up which will make it difficult for those mountain rescue teams as they try to search the side and try to gain more evidence about what brought the plane down. let's look back at the events of the last 24 hours. >> reporter: in a remote alpine valley the shattered debris of flight 9525 is strewn across the hillside. nobody could have survived a crash like this. with the difficult terrain, retrieving the bodies will take days. you can just about make out the rescue workers struggling up the hillside as they try to locate the many pieces of the plane. crucially they found a black box flight recorder which should provide evidence as to why the disaster happened. at dusseldorf airport relatives

and friends gathered to receive the information and absorb the news. the arrivals board tells the story. germanwings flight 9525 never showed up. it was travelling from barcelona to dusseldorf but crashed in the federals. this is thought to be footage of the plane that crashed - an airbus 320 filmed on a previous flight. the french president francis hollande hosting the king of spain on an official visit. that has been cut short. >> we will do everything in our power to under the cause of the accident, and recover the victims from the crash site. the accident took place in an area that is difficult to access germanwings is a low-cost airline owned but lufthansa and flies short-haul journeys around

europe. it has an excellent safety record with no previous crashes. passengers on board are thought to include german spanish and turkish nationals. >> we are all deeply shocked and shaken. the flight of our daughter company crashed at around 11:00am in the french alps. thoughts, feelings and prayers are with the loved ones the passengers. >> 150 deaths left so many families grieving across europe. the town of haltern in germany has been hit hard. 16 teenagers and their teachers from a local school were on the plane, returning from a spanish language exchange programme. a community changed forever in a sudden moment of tragedy. >> well as i mentioned there, a flight recorder box has been recovered, and it's the one that record the voices of the pilots

and also the ambient sound in the cockpit. that is something that investigators are pinning their hopes on in terms of actually trying to peace together an idea of what happened in the moments directly before contact was lost between the pilot and air traffic control. we hope that we get more details about that. the lead investigator on the ground in the alps is due in the next half hour or so. >> thank you, crossing to you then. jacky rowland reporting. >> to bring you breaking news. we are getting out of yemen. this is according to houthi television, who is saying that the president abd-rabbu mansour hadi has now left his palace in aden, and his fate is in fact unknown. also, they are announcing that his defence minister has been arrested in aden. so this is after the situation

on the ground continues, really to deteriorate just about an hour or so ago. the houthis took an air base 60km from the strongholds in aden. >> you are with al jazeera. we have more to come. including after several delays the trial of two al jazeera journalist is adjourned again in egypt. and thousands living in the shadow of chile's volcano is at risk three weeks after chile's eruptions. you know his music but what about the man? >> i was given a gift. >> up close and personal. behind the scenes of the biggest hits... >> she was a troubled girl. >> brightest stars... >> kids don't want to "own", they just want to "play". >> and the future of music. >> the record business is in trouble. >> every sunday night, >> i lived that character. >> go one on one with america's

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the top stories op al jazeera - breaking news out of yemen, where there are reports houthi rebels are in aden which was president abd-rabbu mansour hadi's stronghold. the reports say yemen's defence minister has been arrested and the president is on the run a recovery operation is resuming in the french alps where a german jetliner crashed. we are looking at pictures where search crews are based. the efforts are for bodies and wreckage hampered by stormy weather, which has been forecast. >> the town in germany is mourning the loss of several teenagers on that strike. dominic kane is there. >> nothing quite sums up the emotion that the students and teachers are feeling than the plak ard behind me which says

[ speaking foreign language ] yesterday we were many today we are alone. and that sense of shock and sore yes is mirrored here in the town. it's 16 students 16 students and two teachers ripped from the heart of the school. that sense of emotion and shock is mirrored across germany, with the mediators talking about the crash. later on chancellor merkel will go to the french alps with the french president eric holder, and french president mariano rajoy brey. the main sense is shock and loss at so many of their children the u.s.-led coalition joined iraqi operation to retake tikrit with i.s.i.l. fighters. surveillance flights and intelligence sharing started on

saturday. it's the first time the coalition has been part of the sense of tikrit which started earlier this month. iraqi security forces were on the outskirts, waiting to make the final push into the city the canadian government meanwhile announced it will expand its military operation against i.s.i.l. including air strikes in syria and iraq. daniel lack has more where the prime minister stephen harper met with law namers. -- makers. >> the prime minister and cabinet met for some time about expanding their role. now they'll be in syria, they didn't fly target into syria, but will do so. the prime minister said it was clear i.s.i.l. was at war with i.s.i.l. and named canada as a threat. >> we continue to degrade

i.s.i.l. it's ability and movement of scale, to operate basements, expand the benefits and propagate the tax. >> there's bound to be a vigorous debate. the government's comfortable majority to get it through. it's likely to be an election issue. canada faces an election in october. the conservative government emphasis national security. probably saying they need more humanitarian aid, not combat aid. there's support for the megs as it stands six fighter jets couple of hundred special forces troops involved in training kurdish peshmerga, but not for combat troops. this motion says that will not be the case in canada's mission. >> moroccan authorities

dismantled the sell. the threat level has been raised. there are fears that the groups affiliate could launch attacks. we have this report. >> reporter: these are members of morocco's counter-terrorism unit storming buildings in different cities across the country. they say it was a major operation launched simultaneously to arrest members of an armed group affiliated with i.s.i.l. they confiscated weapons, and other its. the government says the group was planning to tart official. we are determined to continue preventative measures. at the same time develop the security approach. this is why we created the central bureau of investigations. >> the newly created bureau is

responsible for fighting organised crime and terrorist. >> since we faced the first bombing attack in 2003 we are conscious that we face a new challenge, and the phenomenon of the terrorist threat. and the solution was to adopted a security approach taking into account the complexity and the evolving aspects of the criminality. >> morocco is part of the u.s.-led coalition against i.s.i.l. it has recently ramped up its security measures. that is because hundreds of moroccans have joint i.s.i.l. and al qaeda groups in syria and iraq. this man was a commander in syria. there was a push by the rebels.

many of these fighters crossed iraq to join i.s.i.l. moroccan authorities are concerned about revenge attacks. some people here are worried the fight against the armed groups might be used as an excuse to clampdown on human rights. officials say that will not happen. >> once we give information about terrorists acts once they are prepared we get the information. we make sure that it's through. and we inform justice. we work closely, we work closely and our job is supervised and controlled by the justice. the army and police patrol the main streets. government buildings and airports. it's part of the tightened security measures implemented across the kingdom. >> the authorities say they have broken up groups recruiting and

sending fighters to syria and iraq. the biggest concern here is a growing number of moroccans fighting along side i.s.i.l. and al qaeda, and the rest are revenge attacks by the fighters as they make it back to the country. >> tunisia's bardo museum held a ceremony a week after it was attacked by gunman. the event including a tribute to 21 people killed when two gunmen opened fire. an orchestra performed and several politicians attended the ceremony. the trial of two al jazeera journalists has been adjourned until april 22nd. mohamed fadel fahmy and mohammed badr are accused of cading the banned muslim brotherhood. charges they and al jazeera deny. after weeks of delays witnesses took to the prosecution took the stand in a hearing last week. we have the latest in the

journalists retrial. >> the evidence against mohammed badr and mohamed fadel fahmy seems to rest on a report that includes videos. it's supposed to approve the al jazeera journalists armed international security. the members of a committee testified they didn't see the video, write the report or remember what they wrote. a new committee was sworn in to re-look at the evidence. >> how can someone say we broadcast of the material and then members say we didn't say that. >> reporter: earlier a supreme court ruled there was not enough evidence. mohamed fadel fahmy and mohammed badr along with our colleague spent more than 400 days in gaol calling the charges baseless. last month they were deported to native australia, and a judge released mohamed fadel fahmy and

mohammed badr on bail. despite the frustration, the prosecution's witnesses helped their case. >> today it was success. they all said that they were not responsible. they didn't write the statements. both men are free on bail. they have to check in with the police. mohamed fadel fahmy was a citizen on egypt and canada was forced to give up egyptian citizenship. he is trying to get deported to canada. for now, he and mohammed hope that the retrial will allow them to prove their sentence south sudan parliament has coated to extend the president's time in office by three years. peace talks could be called off. >> the government says it's a

sign that the president is not happy negotiating a peace deal. they have been threatened with sanctions if they don't reach a deal soon. >> an anticorruption campaigner has gone on trial in angola. a book on blooddocuments has been published, accusing rulers of murder and torture. he's charged with defaming several army generals and faces up to nine years in prison but says he will not be silenced. >> i'm not a victim here i'm a proactive citizen. i raised the issues knowing what the consequences are. i'm prepared to face the consequences, and so that's why i say it's a privilege to go to the court and challenge the seven generals and basically tell them no matter what the outcome is i will win the european union's foreign affairs chief says a deal aimed at normalizing ties with cuba

could be reached by the end of the year. talks were held on tuesday. the e.u. froze relations with cuba in 2003, in response to the arrest of dissidents. while in havana an agreement was signed to give 50 million towards the country's agriculture sector. >> thousands of farm workers in one of mexico's important agricultural regions continues to protest over wages and working conditions. police arrested 200 demonstrators after they blocked a highway leading to the u.s. talks are due to take place between the farm workers and producers to end the strike. >> it's been almost six months since 43 students disappeared in mexico's guerrero state. family members want the new attorney-general to step up the investigation.

up until now the government said the student clashed with corrupt police officers who handed them over to a drug cartel. family members dispute that version of event an alert in chile after a volcanic eruption. it is active and thousands are at risk. geologists said it can be four months before it can be considered safe. >> reporter: it looks picture perfect, but then looks can be deceiving. the villarrica volcano in chile is unstable and now, dangerously so. earlier this month it began to spew lava and rucks ot three in the morning. this person and their family live on the foothills and were

awoken by the roller. i could see fire outside everywhere. i thought it was my yard in flames. when i looked out it was coming out of the volcano. 85,000 live in and around the city. both popular tourist spots. >> i live from the volcano. it's not made of volcanic rocks. i'm not afraid. the risk is real. >> the biggest danger is an earth slide. the hot lava releases hot lava, releasing huge amounts of water. thing of it as a tsunami dragging rocks, boulders, trees in its path at 100 kilometres per hour. >> at this elementary school teachers and children are living on the edge. an orange level alert is in

effect and we know there's time to reach safety should there be a bigger eruption. >> translation: nature is unpredictable. it's disturbing. we don't know what the volcano will do. i'm afraid it will disrupt the nine-year-old. they monitor the volcano around the stop. >> should it escalate they reach the community in 20 minutes. >> reporter: surprisingly many are building new homes, expensive ones at that on the foothills. >> they love the view of the lake and the volcano, those of us up here are used to the volcano. the last week of the eruption

was 42 weeks ago. while many worry, more are incredulous, refusing to believe that the volcano will do its worse. >> we can read more about the volcano, as well as the stories on the website. aljazeera.com. we will explore the intersection of hardware and humanity. we are doing it in a unique way. this is a show about science by scientists. let's check out our team of hardcore nerds. march he's a davison specializes in ecology and evolution. tonight t a box down on the farm. the technology is here. are bots taking over? care a santiago a maria is a science journal wifts a background in neuro biology. tonight, cara meets her avatar as we learn about the movie magic