Police say the incidents occurred hours apart on Friday. The suspect drives a late model Cadillac Escalade.
Police say he drove alongside a 13-year-old girl at 7 a.m. on Northern Boulevard at 102nd Street and engaged her in a conversation. When she walked away, police say the suspect exited the SUV and grabbed her by the arm. She pulled away and fled.
In the second incident, the suspect drove alongside a 14-year-old girl and motioned her to approach the SUV on Northern and Parson boulevards. The girl fled when he continued to follow her.
The suspect is described as being about 30 to 35 years old, 5 feet 8 inches tall and 170 pounds. He was last seen wearing a black jacket, dark pants and blue collared shirt.
Anyone with information about either of the incidents is asked to call Crime stoppers at (800) 577-TIPS.