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.
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Laura Pidcock was among those to raise the issue at Prime Minister's Questions.
Mark Shaw was bound, beaten, bitten, gagged, attacked with weapons and stabbed to death in Grange Villa, County Durham, last December.
But Theresa May has refused Labour's call to halt the roll-out of Universal Credit, insisting the new benefits system was "working".