WATERLOO - A police squad car was totaled this morning after an officer heading to an alarm collided with an alleged drunk driver.

The collision happened around 1:40 a.m. at San Marnan Drive and La Porte Road when Officer Jeremy Pohl was responding to an alarm at Best Buy.

The police car was driving with flashing lights but not sirens, police said.

The other driver, Kevin Christopher Guillman, told said he had a green light, and Pohl said he thought Guillman was going to yield to his squad car but didn't.

Both drivers were wearing seat belts and no injuries were reported.

Officers noticed Guillman had watery, bloodshot eyes and an odor of alcohol. A breath test determined he had a .154 blood-alcohol level, the accident report states.

Police also found a pill container with marijuana and as wooden box with marijuana and a metal pipe, records state.

Guillman, 25, who has addresses listed in Cedar Falls and Jefferson, was arrested for second-offense operating while intoxicated and possession of marijuana and drug paraphernalia.

The store alarm was determined to be a false alarm, police said.