By Dan Wing

PHILADELPHIA (CBS) — Philadelphia Police are searching for four suspects involved in a home invasion robbery in Holmesburg section of the city yesterday.

Police say four men armed with handguns knocked on the door of a home on Vista Street just before 11 p.m.

When two women opened the door, the men asked “Where’s the money?” before forcing one of the suspects forced one of the women upstairs.

After bringing a man and 10-year-old boy downstairs, the suspects took a large black laundry bag full of unknown items and ran out the front door.