David Cameron paid a warm tribute during Prime Minister's Questions to Sir Stuart Bell, the Labour MP for Middlesbrough who died on Saturday.
Sir Stuart had held the seat for nearly 30 years.
The Prime Minister described him as a hugely popular MP "whose kindness transcended the political divide".
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Sandiford, a former legal secretary originally from Redcar, was convicted of drug smuggling offences and sentenced to death in 2013.
Durham Crown Court heard that one of the male victims suffered a triple-fractured jaw, while left lying in the gutter, unconscious.