A police officer is in hospital tonight after he and two of his colleagues had the chemical ammonia thrown over them in Newcastle. In a separate incident in South Shields, an officer was knocked unconscious as she tried to make an arrest.
Northumbria Police says it's a disgrace that officers are attacked while protecting the public. Watch Julia Barthram's report.
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The smash happened on Dovedale Road, in the Fulwell area of Sunderland on Saturday morning.
Emma Jesson brings you Saturday night's forecast