(CNN) A violent attack at a vocational school in Kuopio, eastern Finland, has left at least one person dead and 10 injured, two seriously, according to police.

A Finnish police spokesman told CNN that a male suspect, who is one of the injured, is in custody after he used a bladed weapon during the "violent incident."

One witness told the Finnish news agency STT that a man came onto the college premises, brandished a sword, and began stabbing people with it.

The suspect, a Finnish citizen, was also carrying a firearm when he was apprehended, the police spokesman said.

Police would not comment on whether he had used the firearm. The suspect is now being treated at Kuopio University Hospital.

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