An independent investigation has been launched after a 14-year-old boy died when he crashed a suspected stolen car during a police pursuit.
Police attempted to stop the Fiat 500 in Wigan on Friday, before it collided with two cars.
The man arrested on suspicion of stabbing three shoppers during an attack on the Arndale Shopping Centre in Manchester on Friday has been detained under the Mental Health Act.
Greater Manchester Police said the 40-year-old man, who was arrested on suspicion of committing a terrorism offence, had been assessed by specialist doctors.
The force added that the investigation will continue "in order to fully understand the motives behind the attack".
