According to the police, nine people, including "members of Boise's refugee community" were stabbed by a 30-year-old male attacker at an apartment complex in Boise, Idaho, on Saturday.
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All victims have been sent to hospital, with four of them getting life-threatening injuries, police said.
The investigation is underway as the motive behind the knife assault is still unclear.
Officers came to the scene several minutes after the attack by a knife wielding man was reported at with a knife at 2:46 a.m. GMT at the apartment complex on Wylie Lane and State Street.
