Manchester: A British police officer has been left with serious injuries after being slashed with a sword, Greater Manchester Police say.

A 23-year-old man has been arrested and the officer taken to hospital following the incident in Whalley Range, Manchester, on Sunday.

One eyewitness described seeing a man arrested on Upper Chorlton Road who had been "attacking the police" and carrying a metre-long sword.

The force said the officer sustained injuries to his face and back and, although serious, they are not life threatening.

One witness, who gave his name as Haroon, said he saw a man being arrested by officers on Upper Chorlton Road, who had been "attacking the police".