Labour is ahead in a three-way race for a key seat in east London, according to a major poll published with just over 12 hours to go before voters begin casting their ballots.
Sir Iain Duncan Smith is hoping to cling on in the Chingford and Woodford Green constituency, where Labour candidate Shama Tatler is ahead on 35 per cent of the vote and the former Tory leader on 26 per cent, according to the YouGov survey on Wednesday evening.