Attacks on Brussels - Tuesday's images

The Brandenburg gate in Berlin is illuminated in colors of the Belgian flag to show solidarity with Brussels in its time of crisis.

Paris extended its support to the EU capital as the Eiffel Tower lit up in the colors of the Belgian flag.

Belgian flags fly at half-mast in Belgium's capital Brussels after terrorists struck the city on Tuesday morning.

Belgium's King Philippe addressed the nation after the attacks, calling for unity among all citizens. "Let us retain trust in ourselves," he said, adding that March 22 would be remembered as a day like no other.

Officials released a video still of a suspect captured on camera at Brussels international airport.

Travelers and employees are in a state of shock at the site of the first explosions. The toll continues to mount.

The first of two explosions at Brussels Airport occurred shortly after 8 a.m. local time.

The second blast at the airport caused the ceiling to cave in and pipes to burst. The building was evacuated, and the airport was shut down.

A third blast hit the Maelbeek metro station. At midday official casualty figures for that attack were put at 15, with 55 injured and 10 of those in critical condition. Hospitals in Brussels have called on people to donate blood.

Another explosion was heard in the city center at the Rue de La Loi. But DW's Doris Pundy says it was police detonating a suspicious device.

The city (the Schuman roundabout is pictured) was locked down in fear of further attacks. The prime minister urged people to stay home. DW's offices were evacuated.

As all roads and tunnels leading to the city center were shut down, life seemed to have come to a standstill.

Hundreds of security personnel have been deployed in Brussels and all over Belgium. Germany has also increased security after the bombings.