(NBC NEWSCHANNEL) A picture has emerged showing three men who police believe could be involved in the deadly bombing attacks in Brussels Tuesday.
Belgian Federal Police released this picture caught on an airport surveillance camera.
The two men wearing dark shirts are believed to have blown themselves up in the attack.
The man next to them in the light-colored jacket is believed to be on the run and is being hunted by Belgian authorities.
At least 31 people were killed and dozens injured in the blasts at the airport and in the city's subway.
— NBC News (@NBCNews) March 22, 2016