Police released new surveillance video of the mugger who pummeled an elderly man in a Bay Ridge subway station last week. 

The 68-year-old victim was on the southbound platform of the Bay Ridge Avenue R train station around 3:30 p.m. Friday when a man punched him in the face and body before grabbing his wallet and MetroCard, police said. 

The victim refused medical attention on scene. 

The suspect then ran out of the station, police said.

In surveillance video released late Monday, he’s shown strolling on a nearby sidewalk, wearing a red cap and black face mask, and appears to be talking on the phone. 

Police said Friday that the assailant was joined by an accomplice. That person jumped on an R train, authorities said.