A man was shot in the head Tuesday afternoon after an argument on a Metro bus escalated into violence, police said.

A man is in critical condition after he was shot in the head following a dispute involving a METRO bus in southeast Houston ...

A man is in critical condition after police say he was shot in the head following an argument that began on a METRO bus in ...

One man was shot at least once in the head in the South Side area and taken to the hospital in critical condition. Houston ...

Police said two men had a "verbal altercation" on a METRO bus that continued after they exited, before another man walked up ...