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MIAMI (CBSMiami) — Swiss police say five people have been hospitalized, two of them with serious injuries, following an apparent attack in the northern city of Schaffhausen.

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The attacker was armed with a chainsaw.

Authorities are searching for a man.

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Swiss police say the attack is not a terrorist act.

Police spokeswoman Cindy Beer told SRF television that police were alerted at 10:39 am on Monday (0839 GMT).

“We can’t say exactly what happened at this point,” said Beer. “We just know that a person wounded several people.”

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The man’s whereabouts are currently unknown.