
Twin attacks across Brussels struck terror into the heart of Europe again early Tuesday, as authorities scramble to find those responsible and rescue survivors from bombings that left dozens dead.
At left, a victim receives first aid by rescuers near Maalbeek Metro station, after a blast in the subway near the EU institutions caused deaths and injuries.
Emmanuel Dunand/Getty
Injured people are seen at the scene of explosions at Zaventem airport near Brussels, Belgium.
Reuters
Destroyed windows at the terminal building after explosions in the departures hall at Brussels Airport in Zaventem.

People stand near Brussels Airport after being evacuated following explosions that rocked the facility early Tuesday. Belgium raised its terror alert to its highest level, diverting arriving planes and trains and ordering people to stay where they were. Airports across Europe tightened security.
Geert Vanden Wijngaert/AP
Passengers and airport staff are evacuated from the terminal building.
Laurent Dubrule/EPA
Injured people are seen at the scene of explosions at Zaventem, in this handout courtesy of David Crunelle via Twitter.
David Crunelle / Reuters
People wrapped in blankets leave the scene of explosions at Brussels Airport.
Francois Lenoir / Reuters
Passengers walk on underground metro tracks to be evacuated after an explosion at Maalbeek train station in Brussels, in this handout courtesy of @OSOSXE via Twitter.
Handout / Reuters