METRO police said the bus driver acted quickly and was able to open the doors to let all the passengers out. Fortunately, no one was injured.

SkyEye video shows a man getting off the bus with his hands up and walking toward METRO police. He was detained and placed into a patrol vehicle.

It wasn't immediately clear if the man was involved in a physical or verbal altercation before firing the weapon.

HOUSTON - One person is now in custody after a weapon was discharged on a METRO bus Wednesday morning, officials say. The incident occurred on Bus 1828 near Gessner Road and Bellaire Blvd. The suspect was taken into custody, and the weapon was seized, officials say.