The leaders of Labour and Fianna Fail have failed to rule out entering a coalition with each other.

The comments from Joan Burton and Micheal Martin come in the wake of last night's TV debate, where Enda Kenny firmly ruled out a deal with Fianna Fáil.

Speaking during the seven-way debate moderated by RTE's Claire Byrne, Enda Kenny said he would "certainly not" form any government in which Fianna Fail were involved.

But asked to make a similar declaration this morning, Joan Burton said she was "exclusively focussed" on returning the current Fine Gael-Labour coalition - and did not discuss, or rule out, any 'Plan B' option.

Sinn Féin - the only party to have been ruled out by all three of the other major parties - has meanwhile questioned whether the coalition promises of the other parties can be believed.

Our political correspondent Gavan Reilly filed this report for Today FM's National Lunchtime News: