Ed Sheeran has asked for people in the UK to help Elton John knock him off the top of the singles chart this week.Sheeran has occupied the top spot in the UK for the past 15 weeks, firstly with his comeback single ‘Bad Habits’ and more recently with his latest track ‘Shivers’.The latest update from the Official Charts Company earlier this week revealed that John and Dua Lipa‘s ‘Cold Heart’ (PNAU remix) is on course to end Sheeran’s long reign at the top of the UK singles chart.Sheeran himself