Poll tracker: Who's in front with 13 days to go?

The Conservatives are still in front of Labour in the Press Association’s poll of polls.
With just under two weeks to go until the general election, a difference of just 0.3 percentage points separates the two parties. The Tories are on 33.6% and Labour is on 33.3%.
Ukip are in third place on 13.7%, the Liberal Democrats are fourth on 8.3% and the Greens are fifth on 4.7%.