Violent Muni dognapper steals pit bull

A man was punched in the face and then had his pit bull stolen while aboard a San Francisco Municipal Railway bus in The City’s South of Market neighborhood early Thursday morning, police said.

The 18-year-old victim was riding the bus near the intersection of Sixth and Mission streets shortly before 2:40 a.m. when a man, described as being in his 20s, approached him, according to police.

The suspect punched him in the face and then took the dog out of the victim’s backpack and exited the Muni bus with it, police said. No arrests have been made in connection with the assault and robbery, according to police.