A security detail from the United States Capitol Police was on the scene and exchanged gunfire with the assailant, later identified by law enforcement officials as James T. Hodgkinson of Belleville, Ill.
A statement from the politician's office confirmed that he was one of those injured in the attack. Several other people were also wounded, including law enforcement officers and a congressional aid. He was undergoing surgery at a hospital and was in stable condition. He was shot in the hip, and his injuries were not life-threatening.
The gunman is in custody.
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Scalise, 51, was shot by an unknown man armed with a rifle during the practice of the a Republican baseball team at a field in Alexandria, Virginia early on Wednesday.
He also announced that the gunman was dead, and praised the Capitol cops, who took down the gunman, an anti-Trump zealot, according to his Facebook page. Five wounded people were being taken to area hospitals for treatment, the police said.
'We are deeply saddened by this tragedy. "Praying for him, Capitol Police and the others injured as this horrific news comes in", tweeted Rep. Glenn Grothman (R-WI).