EDGEWOOD, Md. (WJZ) — Armed robbers strike a Harford County laundromat, and authorities need your help to find them.

Surveillance video shows three masked bandits rushed in and knocked the woman inside on the floor.

It happened at the Edgewood Laundromat April 18 around 3 a.m.

The suspects fled on foot. If you have any information, call the Harford County Sheriff’s Office.