DOBBS FERRY, N.Y. (CBSNewYork) — A police officer was slashed in the face in Dobbs Ferry and rushed to the hospital Thursday.

It happened near Beacon Hill Drive and Keller Lane around 1:30 p.m.

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The officer was assigned to a Con Edison crew that was working when someone attacked him, CBS2’s Nick Caloway reported.

Sources said the victim, a police sergeant, was slashed in the face with a 6-inch knife. He was taken to the hospital, and has been released.

One witness told CBS2 he heard screaming and saw the suspect trying to escape.

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“I though that was a little strange. But he wasn’t running towards me, so I didn’t pay too much attention,” said Robert Kluge. “He ran by me. About 30 seconds later, two construction workers were running, chasing him. They asked me where he went and I said, ‘That way.'”

It was not immediately clear what led to the attack, but police believe it was unprovoked.

The suspect is in custody and police said there is no danger to the public.

Sources said the suspect is known to local police and may suffer from mental health problems.

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CBS2’s Nick Caloway contributed to this report.

CBSNewYork Team