The blasts occurred four days after the arrest in Brussels of Salah Abdeslam, one of the main suspectsÂ in the November terrorist attacks on Paris. Belgian police had been warned and readyÂ for any reprisal action.
Sources familiar with the matter claim that the explosions claimed lives of 11 people and left 25 injured.
Twitter and Facebook users have shared the related images and video showingÂ smoke rising from the departure hall, where windows had been shattered by the blasts.
Passengers areÂ seen running away down a slipway from the departure lounge.
— Anna Ahronheim (@AAhronheim) March 22, 2016
Sky News televisionâ€™s Alex Rossi, at the scene, said he heard two â€śvery, very loud explosionsâ€ť.
â€śI could feel the building move. There was also dust and smoke as well â€¦ I went towards where the explosion came from and there were people coming out looking very dazed and shocked,â€ť he said.
Flights due to land at Brussels-Zaventem, which handles 21 million passengers a year, were redirectedÂ to Antwerp, Liege, and Brussels Charleroi airports.
As it became known know, one more blast was heard in front of Maalbeek metro station.
ExplosiĂłn metro maalbeek pic.twitter.com/9KIEhLMOin
— Serge Massart (@massart_serge) March 22, 2016
Belgian authorities ordered to evacuate all the passengers and staff from the central railway station to prevent another terrorist attacks.