Grand Rapids police are investigating the armed robbery of a coffee shop on the city's West Side.

13 On Your Side reports that at 5:12 a.m. Monday, two men entered the Bitter End Coffee House on Fulton Street and demanded money.

According to police, the men had guns and were wearing black ski masks.

Four customers and one employee were inside at the time. No injuries have been reported.

The suspects then fled on foot. They are described as black men in their 30s.

As of 10:30a.m. on Monday, the suspects remain at large.

Anyone with information should contact the GRPD AT 616-456-3400.