Luas drivers are to stage two further 48-hour strikes next month.

The drivers say they will strike again on the 2nd, 3rd, 23rd and 24th of April.

One-day strikes are already scheduled for St Patrick's Day, Easter Sunday and Easter Monday.

Talks at the Workplace Relations Commission aimed at averting further strikes broke down on Monday - with further talks expected to take place tomorrow.

Drivers are seeking pay hikes of 30 per-cent over five years, they had previously asked for increases of up to 53 per-cent.

Operatator Transdev says it's extremely disappointed and that the action shows a total distrespect to the public, customers and business.

But SIPTU divisional organiser Owen Reidy says that tram drivers have been left with no other choice but to strike:

Gerry Madden from Transdev says Luas drivers are punishing tens of thousands of commuters: