The head of the NBRU says The transport system in Ireland could grind to a halt.
Dermot O'Leary made the comments amidst strike fears at Bus Eireann
Management and Unions at the company are due to meet at the Workplace Relations Commission today - It's expected the company will announce restructuring plans, while unions will lodge a pay claim.
It comes as strike action continues at Dublin Bus in a separate row over pay.
Dermot O'Leary says another strike is possible: