Police in Belgium are searching for several people still at large after yesterday's terror attacks in Brussels.

They've identified two brothers who set off suicide bombs at the airport and metro.

Juliette Gash reports;

Belgian authorities have identified two brothers responsible for the Brussels terror attacks, in which 31 people died and hundreds were injured.

Brahim El Bakraoui struck at the city's airport, while Khalid El Bakraoui struck at a Metro station.

A third suspect, who was earlier thought to have been arrested, remains at large.

Juliette Gash reports;

Federal Prosecutor Frederic Van Leeuw told reporters at a press conference that a third suspect, understood to be Najim Laachraoui, remains at large.

Chillingly, he said that the 25 year old's bomb, the largest, failed to detonate;