Police are investigating a robbery and two burglaries that were reported this week.

At 2:20 p.m. on Monday, June 12, a man went to a residence on Serpens Court in Rosedale (21237) and demanded money from the occupant. The victim refused and the suspect then assaulted him and his roommate. The suspect stole the victim’s cell phone and fled the scene.

Sometime between 11 a.m. and 3 p.m. on Tuesday, June 13, an individual entered a residence in the 11600 block of Jerome Avenue in White Marsh (21162) by forcing entry through a side window. Jewelry and a BB gun were stolen from the scene.

At 10 p.m. on Tuesday, an individual broke into a on Juliet Lane in Nottingham (21236) via a bedroom window. The occupant came home and got into an argument with the suspect, who was known to the victim.  The suspect stole the victim’s keys, assaulted the victim and then fled after returning the keys.