Policewoman knocked unconscious in South Shields
A Northumbria policewoman has been assaulted and knocked unconscious while on duty in South Shields.
The officer received injuries to her head and face while attending a disturbance on Stoddart Street at about 21:30 BST on Friday.
She was taken to hospital but later released. A 26-year-old woman has been arrested and remains in police custody.
Northumbria Police said the behaviour was "totally unacceptable" and appealed for witnesses.
Supt Steve Howes added: "Our officers are here to protect the public and ensure they are kept safe. I want to strongly reassure the victim, our officers and the public that we will be taking robust action anyone responsible."
In a separate incident three Northumbria Police officers were taken to hospital after ammonia was thrown at their faces at Muswell Hill in Newcastle.
Two were discharged and one received treatment for a burn to his eye.
A man and a woman have been arrested and remain in police custody.