Story highlights Police chief of Sentinel, Oklahoma, shot four times, survives

Oklahoma State Bureau of Investigation has not filed charges

OSBI says chief's life saved by a borrowed protective vest

(CNN) No charges have been filed against a man who shot the police chief of a small town in Oklahoma four times, the Oklahoma State Bureau of Investigation says.

Sentinel Police Chief Louis Ross was shot Thursday morning after he entered a house looking for the person who allegedly phoned in a bomb threat to a Head Start center, CNN affiliate KFOR reported

Ross was shot by the man living in the house, KFOR said. The chief had just donned a protective vest, which is credited with saving his life, the OSBI said in a press release. His condition was not available Saturday night.

"The man who shot and wounded the Sentinel police chief will not be arrested at this time," the release said. "OSBI investigators have extensively interviewed the man. Facts surrounding the case lead agents to believe the man was unaware it was officers who made entry."

"We almost lost a good man," Sentinel Mayor Sam Dlugonski told KFOR. Sentinel, population 900, is about 100 miles from Oklahoma City.

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