Belgian prosecutor confirms 2 brothers carried out Brussels attacks
One attacker left a will on a computer and his brother blew himself up on a carriage in Brussels.
JOHANNESBURG - The Belgium Federal Prosecutor has now confirmed that two brothers carried out the deadly suicide bombings at Brussels airport and on the Metro.
It's also revealed that one of the brothers, Ibrahim el-Bakraoui, had left a will on a computer that was found.
His brother, Khalid, blew himself up on a carriage of the Brussels Metro yesterday, while a third suspect has been arrested but has not yet been named.
WATCH: Brussels bombings: three explosions leave over 30 dead.
Belgian news agency Belga said shots were fired and there were shouts in Arabic shortly before the explosions.
The attacks sent shockwaves across Europe and around the world, with authorities racing to review security at airports and on public transport, and a rekindled debate about European security cooperation and police methods.
Prime Minister Charles Michel cancelled a trip to China and convened his inner cabinet to discuss security.
Belgium observed a nationwide minute's silence at noon (1100 GMT).
King Philippe, the premier and European Commission President Jean-Claude Juncker attended a memorial event at Commission headquarters.
LISTEN: Brussels Bomb Blasts most likely to be blamed on Isis, says analyst.
More than 1,000 people gathered around an improvised shrine with candles and street paintings outside the Brussels bourse.
The Brussels blasts fuelled political debate across the globe about how to combat militants.
"We can and we will defeat those who threaten the safety and security of people all around the world," said US President Barack Obama.
Donald Trump, the front-runner for the Republican nomination to succeed Obama in November's US election, suggested suspects could be tortured to avert such attacks.
Police searched an apartment in the northern Brussels borough of Schaerbeek late into the night, finding another bomb, an Islamic State flag and bomb-making chemicals.
Local media said authorities had followed a tip from a taxi driver who may have driven the bombers to the airport.
An unused explosive device was later found at the airport and a man wearing a light-coloured jacket and a hat, believed to be Najim Laachraoui, was seen running away from the terminal after the explosions.
Officials have urged people in the Belgian capital to be vigilant, while some other countries like Britain are warning their citizens against travel to the city for all but essential reasons.
Brussels Airlines, which serves many citizens across Europe, has cancelled its services for at least the next two days.
Pope Francis has led thousands of people in a silent prayer for the victims of the deadly attacks.
He's called for "unanimous condemnation" of yesterday's attacks.
WATCH: People across the world have taken to social media to give their varying visual responses to the deadly attacks.
[WATCH] As details surrounding the Brussels explosions continue to emerge, people across the world have taken to social media to give their varying visual responses to the deadly attacks.
Posted by Eyewitness News on Wednesday, 23 March 2016