At least 34 people were killed and over 130 injured in the explosions at the Brussels Zaventem Airport and Maalbeek Metro Station on Tuesday. Security has been beefed up in many parts of Europe following the explosions.

Emergency services at the scene of explosions at Zaventem airport.

A soldier stands near the broken windows after explosions at Zaventem airport.

People leave the scene of explosions at Zaventem airport.

Emergency personnel are seen at the scene of a blast outside a metro station in Brussels.

The European Commission headquarters is seen in Brussels, Belgium. The attacks in Brussels on Tuesday appear to be aimed not just at Belgium but at the entire European Union (EU) and its freedoms, German Interior Minister Thomas de Maiziere said.

Injured people are seen at the scene of explosions at Zaventem airport.

Swedish policemen patrol the Arlanda airport outside Stockholm, Sweden. Police in Denmark, Sweden and Finland have stepped up security at airports and public places following the explosions in Brussels.

Passengers walk on underground metro tracks to be evacuated after an explosion at Maelbeek train station in Brussels.

Emergency personnel are seen at the scene of a blast outside a metro station in Brussels.

Armed police stand on guard at Downing Street in London, Britain. Britain's Prime Minister David Cameron said he would chair a crisis response meeting following explosions in Brussels.

Published on March 22, 2016