Undecided voters give their verdict on the challengers' debate

Undecided voters in Cardiff.

Voters across the country who have not yet decided whose box in which to place their ballot were watching tonight's leaders' debate in earnest, hoping it might help them make up their minds.

The polling team at Comres identified six such groups to help ITV News monitor reactions to what was said during the two-hour event.

ITV News Political Correspondent Libby Wiener was watching them, watch the debate: