A law enforcement official works within a police van parked outside Taco Bell, 1220 W. Sixth Street after a robbery around 8 a.m. on Monday, June 26, 2017.

Lawrence police are investigating an armed robbery that reportedly occurred shortly before 8 a.m. Monday at Taco Bell, 1220 W. Sixth St.

According to witnesses, a male suspect entered the business around 7:50 a.m., threatened employees with a firearm and demanded money, police said in a news release. The suspect then fled with an undisclosed amount of cash.

No further information was available Monday morning.

An police officer with a dog searches some of the properties just north of Taco Bell, 1220 W. Sixth Street, after the business was robbed around 8 a.m. on Monday, June 26, 2017.