Sept. 15 (UPI) -- Republican Rep. Michael McCaul of Texas has announced he will not seek re-election next year, ending his more than 20-year run in Congress.

McCaul announced his intention Sunday on ABC News' This Week.

"It's been an honor to serve for over two decades in Congress," he said. "I'm looking now for a new challenge."

The former federal prosecutor and deputy attorney general of the state of Texas has represented the Lone Star State's 10th Congressional District since 2005. During his years in Congress, he has chaired the House Committees of Homeland Security and Foreign Affairs.

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