On Tuesday, at least 34 people were killed and 200 were injured in a series of coordinated terror attacks across Brussels.
The first attack took place inside Brussels' international airport, where two explosions knocked travelers to the ground and filled the airport's crowded departure hall with smoke. Eyewitnesses managed to capture the immediate aftermath of the explosions and upload their footage to social media.
Here's what they saw:
ISIS has claimed responsibility for the horrifying attacks. For the latest updates, check out our story here.