National Rail says heat poses ‘exceptional challenges’ after two trains derail in 24 hours

Incident near Essex town of Wickford happens day after two passengers seriously hurt in East Sussex derailmentThe UK’s fifth heatwave of the summer has “presented exceptional challenges to the railway”, Network Rail has said, after two trains derailed in less than 24 hours.On Friday, British Transport Police (BTP) confirmed the rear carriages of a Greater Anglia train derailed “in an upright position” at Wickford railway station in Essex, adding that there were no reported injuries. On Thursday, two people were seriously injured when several Southern train carriages left the track near Lewes in East Sussex and ended up on their