(CNN) Republican Rep. Ryan Costello will drop his bid for reelection in Pennslyvania's 6th Congressional District and retire at the end of his term.

Costello confirmed news that was first r eported Saturday by City&StatePA and confirmed by CNN in an interview with MSNBC on Sunday evening.

WASHINGTON, DC - MARCH 21: U.S. Rep. Ryan Costello (R-PA) (2nd L) speaks as (L-R) Sen. Susan Collins (R-ME), Sen. Lamar Alexander (R-TN) and Sen. Mike Rounds (R-SD) listen during a news conference at the Capitol March 21, 2018 in Washington, DC. Senate Republicans held a news conference to discuss their legislative "proposal to lower health insurance premiums in the individual health insurance market." (Photo by Alex Wong/Getty Images)

He cited family, the political environment and redistricting as reasons for his decision.City&State PA previously reported on Costello's plans.

"The combination of what I've had to deal with just in terms of having a young family, what the state Supreme Court did, which I think was obscene, along with the political environment, has led me to the decision that what is best for my loved ones," he told MSNBC's Kasie Hunt. "That at this moment in time, running for reelection is not the prudent course of action.

"I say that after a lot of deliberation. It's been a very tough decision for me to make, but I think I'm making the right decision."

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