Former Rep. Gabby Giffords (D-Ariz.) on Wednesday said her heart is with the victims of a shooting at a GOP lawmaker baseball team practice that left at least five people injured.

"My heart is with my former colleagues, their families & staff, and the US Capitol Police- public servants and heroes today and every day," tweeted Giffords, who became an anti-gun violence advocate after being shot in 2011.

My heart is with my former colleagues, their families & staff, and the US Capitol Police- public servants and heroes today and every day. — Gabrielle Giffords (@GabbyGiffords) June 14, 2017

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House Majority Whip Steve Scalise (R-La.), two Capitol Police officers on protective detail and unidentified staffers were shot, according to multiple reports.

It is believed a single gunman fired as many as 50 shots at lawmakers and aides, who scrambled for cover.

Giffords was shot and severely wounded at a constituent event in 2011. Six others were killed in the incident.