DETROIT (WWJ) - Michigan State Police say a bomb threat at the National Guard Armory in Detroit was just a false alarm.

The situation unfolded around 6 p.m. Wednesday when Detroit police received a bomb threat at the Michigan National Guard Armory on 8 Mile Road just east of Ryan Road, on the city's east side.

"Information was also received that the subject who placed the bomb said he had a sniper rifle and would kill any police officers responding to the call," police said in a statement.

State police responded to the scene along with other law enforcement personnel from Wayne State University and the FBI Joint Terrorist Task Force.

A search of the property by K-9 and bomb squad units found no explosive material near the armory, and the "all-clear" was given around 9 p.m.

An investigation is ongoing.

Additional security measures have been adopted at National Guard facilities nationwide after last week's fatal attack at two Tennessee military facilities. Authorities said Kuwait-born Muhammad Youssef Abdulazeez, 24, of Hixson, Tennessee, unleashed a barrage of fire at a recruiting center in Chattanooga, then drove several miles away to a Navy and Marine reserve center, where he shot and killed four Marines, and wounded a sailor, who later died. Abdulazeez was shot to death by police.