After meeting party lawmakers, Kenny said he will step down at midnight, remaining interim party leader until a successor is elected by June 2.
"On behalf of the Fine Gael Parliamentary Party, I would like to thank Enda Kenny for his remarkable service to our country and our Party".
The Fine Gael leadership contest will begin on Thursday, with nominations closing on Saturday.
A number of politicians, including the departing Finance Minister Micheal Noonan, have not yet said who they will back.
Kenny steps down amid questions about his role in a scandal involving the nation's police and efforts to publicly smear a whistle-blower who made allegations of official corruption.
The 66-year-old former teacher, born in Mayo, is the longest-serving member of the Irish parliament, having first been elected in 1975.
David Cameron took to Twitter to pay tribute, posting: "Enda Kenny TD was a strong leader for Ireland, a great partner for the United Kingdom, and remains a good friend".
Speaking on Clare FM's Morning Focus in advance of his visit to Ennis today, Minister Coveney says he's the right man for the county and the country.
UNITED NATIONS: A whisper to North Korea
Secretary-General Antonio Guterres, who called the new South Korean leader to congratulate him on his recent election. Launched on a normal trajectory, the missile could have traveled 3,000 miles.
Nurses in Wales to join 'summer of protest activity'
In the ballot, nine out of ten voiced support for action short of a strike, while nearly four out of five backed strikes. The RCN has warned that low pay is partly responsible for tens of thousands of unfilled posts.
A Surprise Meeting With Henry Kissinger In The Oval Office
In Washington, Tillerson made no comment on the Comey firing or on the substantive issues he would discuss with Lavrov. The diplomats met Wednesday in Washington - and there's a new Russian-led agreement to create safe zones in Syria.
The Fine Gael government is propped up by their historic rivals Fianna Fail in a confidence and supply agreement.
Mr Coveney, who won new support on Friday with the backing of the Galway West TD Hildegarde Naughton and the Dún Laoghaire TD Sean Barrett, said he is not panicked by the numbers declaring for Mr Varadkar and believes he will win the contest.
"I believe our party, with Leo Varadkar as leader, will attract a stronger vote in the higher population areas".
"Leo was in Donegal for two days last week but he is no stranger to Donegal", said McHugh, who is Minister for the Diaspora and International Development.
The social protection minister was a doctor before winning a seat in 2007 and has rapidly risen through the ranks, holding several ministerial portfolios.
Irish Prime Minister Enda Kenny speaks at a press conference after the European Union summit at the European Union headquarters in Brussels, capital of Belgium on December 9, 2011.
Donegal Junior Minister Jo McHugh has declared he will be supporting Leo Varadkar in the race for leadership of Fine Gael.
On Wednesday, UFC President Dana White announced he'd struck a deal with McGregor for a potential fight with Mayweather. Earlier last month, Mayweather declared he has chose to get out of retirement to face McGregor in a boxing match.
Lawsuits against Honda Motor Company HMC, Ford Motor Company F and Nissan Motor have not been settled yet, per the lawyers. The recall affects vehicles as far back as the 2000 model year and as recent as the 2016 model year.
Op Gen Oorth said Monday it was still "a bit early too say who is behind it, but we are working on a decrypting tool". The city of Osaka said its home page went blank, although problems had not been detected otherwise.
Styles also confessed that at least one of his songs, " Sign of the Times ", makes him cry sometimes during performances. He is best known to NY theatergoers for his Tony-winning performance in Richard Bean's One Man, Two Guvnors in 2012.
This picture for me is our most special picture, amongst many others as it somewhat captures the quiet offscreen bond we had. Reemaji and me got associated through a film " Aashiqui " which was my first musical blockbuster made in the "80s".
Japanese Emperor Akihito waves to well-wishers on his 83rd birthday, his first since voicing a desire to abdicate . The legislation is necessary because Japan's Imperial House Law does not provide for the emperor to step down.
At the moment, I don't have aby obligations towards McLaren , I'm happy with the team, but we're not winning. The drip turned into a gushing pour of yellowish liquid when a crane lifted the McLaren away from the track.
This comes in as a handy tool when you have too many chats to scroll down and look for a specific piece of information. The new feature is just like the " pin post" feature on a Facebook page if you might have ever operated one.
From perfection, to pure connection, Simone introduced us to a fiery dance persona named "Zoey" and it was fantastic . With ideal scores two weeks in a row, there's not much doubt about Normani Kordei making it to next week's finals.
"I just know that the feedback I was getting from our last talk had nothing to do with any suicidal thoughts", Jenkins said. She acknowledged on the show that the handwriting matched Aaron Hernandez's "although there are odd things about it".
Ruby Rose blasts Katy Perry's 'mean-spirited' new song
Perry's "Swish, Swish," the new track she dropped on Friday, May 19, seems to be a total clap back at her former friend. But Perry managed to add: "One thing to note is: You can't mistake kindness for weakness and don't come for me".
Merkel: British EU immigration cap would have price
He denied being in favour of making all countries that use the euro liable for other individual countries' existing debt. Merkel warmly welcomed the fourth president to occupy the Elysee Palace since she came to power 12 years ago.
Islamic State slays scores of civilians in Syria
Syria's state news agency SANA said troops and pro-government gunmen repelled the IS attack on villages in Hama province. The two villages are home to members of several religious minority sects, and Al-Mabujeh has been targeted by IS before.
Race for the Golden Boot
Chelsea has taken the trophy off Leicester, which astonishingly won the title last season but collapsed this year and is now 11th. His first goal moved him past Cha Bum-Kun to become the highest-scoring South Korean player in a European season.
Aishwarya blossoms in green at Cannes
For her attractive eyes, she applied the La Palette Nude in Rose, Superliner Black Lacquer and the Volume Million Lashes Mascara. With her tresses left open, she looked exquisite as she exuded confidence and elan in her one-shoulder floor-sweeping dress.
Spurs' Leonard out of Game 2; Simmons starts
The meat of Popovich's argument was that Pachulia's closeout on Kawhi Leonard was "dangerous" and "unsportsmanlike" . His rant, while undoubtedly coming from a place of extreme frustration, also comes with an additional benefit.
McCarthy and Baldwin lock lips in SNL return
He initially refuses because he's married, but when Trump reassures him that it's fine because he's famous, they lock lips. Spicer asked Trump - played once again by Alec Baldwin - after tracking him down. "I'm married", Spicer protests weakly.