Belgium Attacks: Latest Updates on the Deadly Attacks and the Investigation

Officials raised the terror threat level, shut down all public transport in the city and advised locals to stay indoors as the crisis unfolded.

Image: Armed soldiers guard the entrance to Brussels Central Station

Armed soldiers guard the entrance to Brussels Central Station, March 23, 2016 in Brussels, Belgium. Christopher Furlong / Getty Images

March 22, 2016, 10:48 AM UTC / Updated March 23, 2016, 5:37 PM UTC

Two explosions rocked the check-in zone of Brussels Airport on Tuesday, while another explosion shook a metro station in the Belgian capital, killing and wounding scores of people.

What we know

The casualties: At least 31 people were killed and more than 270 wounded in the attacks. An American couple who were at the airport are missing.
The suspects: ISIS claimed responsibility for the attack, believed to have been carried out by at least two people, brothers Khalid and Ibrahim El Bakraoui. A manhunt is on for a third suspect, Najim Laachraoui.

Here's the latest: