A victim receives first aid by rescuers near Maalbeek metro station in Brussels, after a blast at this station near the EU institutions (AFP Photo)
The bomb attack on the Brussels metro Tuesday killed at least 15 people and left 55 wounded, the transport operator STIB said.
"Our thoughts go to the victims and their families. So far 15 victims, 55 wounded (provisional)," STIB said on Twitter, turning its logo black to mark the deaths.