A1046 Haverton Hill Road in both directions closed, slow traffic due to accident, two vehicles involved between New Road and B1275 Hope Street.
Affecting traffic on the Portrack Interchange and Port Clarence.
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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.
Sunderland International Airshow got underway along the city’s seafront at Roker and Seaburn with a major flying programme from the RAF