LONDON (AP) — British police say a man who stabbed six people in London's Russell Square was a Norwegian of Somali origin, but they have found no signs of radicalization.

Assistant Commissioner Mark Rowley says the investigation "increasingly points to mental health issues" as lying behind the rampage.

He says one person was killed in the attack, an American woman.

The five injured people are British, American, Israeli and Australian. None has life-threatening injuries.

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