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Minnesota police have released hospital security video that they say shows a man who later died in police custody chasing and attacking nurses with a metal pole. Police in Maplewood said they still didn't know why Charles Emmett Logan, 68, of St. Paul died after being handcuffed following the attack Sunday.

One nurse suffered a collapsed lung, and another fractured her wrist, NBC station KARE of Minneapolis reported. Medical staff told police that Logan was suffering from paranoia, the station reported.

Police said in a statement that officers used a Taser stun gun on Logan when they found him three blocks from the hospital and, when that wasn't effective, wrestled him to the ground and put him in handcuffs. Almost immediately after the cuffs were locked, police said, Logan became unresponsive and later died. An autopsy was scheduled, police said.

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