Police have asked for more time to question a teenager arrested in connection with an assault on a ten year old girl. She remains in a serious but stable condition in hospital after being found with head injuries on Teesside.
More top news
All of the fires were extinguished but police are appealing for information. They believe they may have been started 'maliciously'.
Read our latest ITV News Tyne Tees football blog after Newcastle's 1-1 draw at Villa Park.
Read our latest ITV News Tyne Tees football blog after Sunderland's home defeat to Crystal Palace.