(BARTLETT) A man has barricaded himself inside a business in northwest suburban Bartlett and told police he has an explosive device.

About 6:40 a.m., an employee of Rana Meal Solutions at 550 S. Spitzer Rd. barricaded himself inside and said he had an explosive device, according to Bartlett police.

The man is refusing to cooperate with police, according to a statement from police.

Police are rerouting traffic in the area; Munger Road is closed between Stearns and Brewster Creek; and police have evacuated several other business near the facility.

The Northern Illinois Police Alarm System has been activated.