An extraordinary meeting of EU Justice Ministers has concluded in Brussels.

At the meeting Ministers agreed to greater information and intelligence sharing, as well as greater checks at borders, and a commitment to develop preventive measures aimed at targeting radicalisation of young men and women at local level.

31 people died, 61 are critically ill and over 200 are wounded in the Belgium capital after 3 bombs detonated in the airport and a metro station.

Meanwhile, it's understood American authorities know the identity of the third Brussels airport bomber, who remains on the run.

A source says a man wearing a hat caught on CCTV before the attacks on Tuesday is on the terrorist watch list.

Prime Minister Charles Michel says it's vital that all of the facts in the case come out: