London: In an effort to determine the reason behind a stabbing and van attack that left three people dead and another in critical condition in the central English city of Nottingham on Wednesday, British police questioned a man on suspicion of murder.

Two university students, both 19 years old, were discovered stabbed to death on a street in the heart of the city on Tuesday around 4 a.m. (0300 GMT).

Then, two miles away on a road, another man, a school caretaker in his 50s or 60s, was also discovered dead with knife wounds. A van that had been taken from the caretaker was then driven at three people, critically injuring one of them. Police used a stun gun to arrest a 31-year-old man after the car was stopped, and they say they are not looking for any other suspects.

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The investigation is being assisted by counterterrorism officers, but Chief Constable Kate Meynell of Nottinghamshire Police said they were keeping an open mind as to the motivation.

Suella Braverman, the home secretary, said in a statement to parliament, "This does not mean that it is currently being treated as a terrorist attack."
According to the BBC, the suspect is thought to be a West African immigrant with a history of mental health problems.

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Given that Nottingham is home to two universities with more than 50,000 students, the incident has shocked the city, especially the student population.
According to the Times, the University of Nottingham students were attacked as they were walking home from a post-exam party.

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Grace Kumar, one of the young victims, played hockey for England's Under 18 team, and Barnaby Webber was reportedly an avid cricketer.