LOS ANGELES (CBSLA.com) — Police arrested a man suspected Tuesday in a street robbery after he apparently ran into a lake and refused to exit.

The incident unfolded after officer responded to a report of a woman whose purse and cellphone had been taken, according to LAPD Sgt. Lopez.

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When officers arrived, they identified the suspect, who they say fled into Hollenbeck Park and then ran into a lake.

Police concerned the man would suffer hypothermia attempted to talk him out of the lake.

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When that didn’t work, they offered him food, including a pizza slice and a granola bar.

A dive team with the Los Angeles Police Department responded to the scene and jumped into the lake and detained the suspect, the sergeant said.

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Police said they anticipate that the man, who they believe suffers from mental illness, will be charged with robbery.