A man has been arrested on suspicion of attempted murder after an attack on a police officer in East Sussex.
A man allegedly jumped onto a police car, smashed the windscreen and stabbed the roof before trying to stab a male officer in Hove on Saturday morning.
Police were called to Brunswick Road following reports of a man with a knife threatening and chasing people.
A 36-year-old man from Waterloo Street, Hove, was arrested. He had superficial cuts but no one else was injured.
A Sussex Police spokeswoman said four police officers in two patrol cars sent to the scene found a man brandishing a knife and chasing pedestrians in Waterloo Street.
"When officers got out of the car and approached him, he tried to stab one of the police officers, a 28-year-old male," she said.
A long-bladed knife was recovered from the scene.
The area was closed to allow forensic scientists to carry out tests.