Najim Laachraoui

Brother Of Brussels Suicide Bomber To Compete For Belgium In Rio Olympics

"You don't choose your family," he said.
By Reuters

Belgian Authorities Hunt For Key Suspect In Brussels Terror Attacks [UPDATE]

The attack was the worst in Belgium's history.
By 
and

Brussels Airport Suicide Bombers Were Reportedly Brothers

Both brothers have a criminal records, but have not been linked to terrorism until now
By Philip Blenkinsop, Jan Strupczewski and Alastair Macdonald, Reuters