An arrest warrant has been issued for a 24-year-old man on charges of groping a 23-year-old woman and a 12-year-old girl in Chinatown last week.

After police released a surveillance video from one of the incidents, investigators received an anonymous phone tip Tuesday identifying Melvin Bulls as their wanted man.

Police said Bulls last known addresses were on the 1300 block of Ridge Avenue, 1200 block of South Bonsall Street and 900 block of Hamilton Street.

The groping incidents occurred in Chinatown at 4:55 p.m. and 6:25 p.m. Thursday when a man came up from behind the victims and touched their buttocks, police said.

Anyone with information about Bulls' whereabouts is asked to call the Special Victims Unit at 215-685-3251 or 3265 or call 911.