Sen. Orrin Hatch, a Utah Republicam talks with reporters after leaving the Senate floor at the US Capitol May 18, 2015 in Washington.

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Orrin Hatch, who said his mind could change, said President Donald Trump wants him to run again

Hatch will turn 83 later this month and had previously said this would be his last term

CNN  — 

Utah Sen. Orrin Hatch, the longest-serving GOP senator, told CNN he is planning to run for re-election next year, abandoning his plans to quit the chamber after four decades of service.

The Utah Republican – who promised in 2012 that his current term would be his last – said he has changed his mind at this time, partially because he’s been getting encouragement from President Donald Trump and top Republicans to run again.

“I’m planning on (running) right now,” Hatch told CNN Thursday. “That’s what my current plans are.”

Hatch, who will turn 83 later this month and has served in the upper chamber since 1977, could still change his mind again and decide to retire.

Asked by reporters later after CNN reported on his remarks, Hatch said: “Well let’s put it this way: it’s just too early to make a decision. My intention is to continue to serve Utah.”

But his Thursday comments are the firmest signal yet from the most senior Republican senator, who is third in the line of succession to the President as the Senate’s president pro tempore.

The decision comes as Senate Majority Leader Mitch McConnell and Trump have both tried to persuade the powerful chairman of the Senate Finance Committee to run again.

“His pitch is he needs me,” Hatch said of Trump. “Things are going to be just fine.”

Hatch’s decision comes as Trump has chosen Jon Huntsman, the former Utah governor, to be his nominee for ambassador to Russia. Some had speculated that Huntsman would have mounted a primary challenge to Hatch in 2018.

But Hatch said he spent an hour Wednesday with his “longtime friend” Huntsman and said he believed that the ex-governor was not going to challenge him.

Hatch said he had no role in getting Huntsman the post.

“I don’t think he would have ever run against me,” Hatch said. “He didn’t really want to run for Senate.”

Asked if he was preparing for a tough 2018 reelection battle, Hatch said: “Anyone who wants to take me on knows it’s going to be a real ordeal.”

This story has been updated to reflect breaking news.