Enda Kenny and Micheál Martin will finally meet later today to discuss forming a Government.
The Fine Gael and Fianna Fáil leaders will both fail to be elected Taoiseach when the Dáil meets this afternoon.
Gerry Adams and Ruth Coppinger - the first woman to be nominated for Taoiseach - will also be voted on, but none of the candidates will secure a majority.
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Pfizer has decided to kill its planned $150bn takeover of Allergan in Dublin.
The moves comes after the latest US efforts to crackdown on legal tax avoidance.
The companies are expected to announce the deal’s termination this morning.
Informed sources say Pfizer will pay Allergan a small breakup fee - much less than the full $400m previously reported.
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Republican front runner Donald Trump has suffered a set back in his campaign to be the party's presidential nominee.
Texas Senator Ted Cruz won the Wisconsin primary - telling his supporters in Milwaukee that "tonight is a turning point."
It has also been a good night for Bernie Sanders who beat Hillary Clinton to take the state for the Democrats.
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New FIFA president Gianni Infantino says he is dismayed his integrity is being doubted in reports about the Panama Papers.
The leaked documents claim he signed off on a contract with two Argentinean businessmen who have since been accused of bribery.
They bought TV rights for UEFA Champions League football and sold them on for almost three times the price.
Infantino denies any wrongdoing.
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Michaella McCollum is issuing legal proceedings against an Irish newspaper.
Solicitors for Ms McCollum - who was released from jail in Peru last week - say she and her family were subjected to an intimidating incident of harassment as they tried to get into a taxi in the country on Sunday.
It is understood the approach involved two reporters from an unnamed daily newspaper.
