Sen. John BoozmanJohn Nichols BoozmanOvernight Defense: Duncan Hunter refusing to step down from committees | Trump awards Medal of Honor to widow of airman | Pentagon names pick for Mideast commander Trump awards posthumous Medal of Honor to family of fallen Air Force sergeant GOP senators introduce resolution endorsing ICE MORE (R-Ark.) returned to work in Washington Monday after having emergency heart surgery in April.

He tweeted about his return on Monday.

Boozman, 63, underwent emergency heart surgery on April 22 to correct an acute aortic dissection. Former U.S. diplomat Richard Holbrooke died from the same condition.

Boozman had been suffering from chest and shoulder pain and was checked into a hospital in Rogers, Ark.

He was elected to the Senate in 2010 after serving 10 years in the House. Before his congressional career, he worked as an optometrist.