MIDTOWN, Manhattan (PIX11) — An assailant groped a 13-year-old girl on a Midtown street, then punched her father when he tried to intervene, according to authorities.

The attacker grabbed the girl’s buttocks on West 43rd Street near Seventh Avenue just before 7:30 p.m. on Aug. 7, officials said.

When the girl’s father, 55, tried to step in, the assailant punched him in the face, police said. First responders treated the dad at the scene for a cut to the face.

Investigators released surveillance images of the suspect entering an MTA subway station. In the images, the suspect wore a t-shirt featuring the stylized red and white ‘B’ logo of the Boston Red Sox.