LONDON (AP) — A knife-wielding assailant stabbed two college students to death in the streets of the English city of Nottingham and then fatally stabbed a middle-aged man, stole his van and ran down three pedestrians in a shocking rampage early Tuesday morning, police said.

Police arrested a 31-year-old man on suspicion of murder. The Nottinghamshire Police force said investigators believe the perpetrator acted alone and detectives were working with counterterrorism officers to try to establish a motive.

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