FOUR police officers have been injured, including three thought to have been stabbed, as they dealt with a disturbance in Harrow borough.

Eyewitnesses told how officers chased a man down the road and in and out of stores before he grabbed a knife in a butcher's shop. He was arrested on suspicion of attempted murder after a violent struggle.

The drama brought chaos to Kingsbury. The condition of the injured officers, all men, were not immediately known.

A Scotland Yard spokesman said: "Police were called at approximately 8.40 this morning to a disturbance in Kingsbury Road, Kingsbury.

"Officers attended and attempted to speak with a man, who subsequently attacked them. Four officers were injured during the incident and have been taken to hospital.

"A man has been arrested on suspicion of attempted murder and remains in custody at a north London police station."

Shopkeeper Girish Modha said: "A man was shouting at police in a small alleyway next to a hairdresser's shop which neighbours mine.

"He grabbed a piece of fluorescent tubing and brandished it at police. He then ran down Kingsbury Road, going into a cash-and-carry shop. At one point I think he threw a brick and smashed a police car window.

"He then ran round the roundabout and carried on towards the Tube station. He went into a butcher's, got a knife and that's when the stabbing took place."

The incident is believed to have happened at the Kingsbury Halal Butchers just 100 yards from Kingsbury Tube station and in a busy shopping street.