His demeanor was "calm", said Falisa Peoples. "They were shooting at each other ... I thought it was some exercise".
Mr Scalise is said to be in a stable condition at George Washington University Hospital.
The statement says that before the surgery Scalise was "in good spirits and spoke to his wife by phone". A fourth is also being treated at MedStar, and the location of the fifth person is not known.
Rand Paul, a Republican and former presidential candidate, was also at the practice at Eugene Simpson Stadium Park.
"We were doing batting practice", said Sen. "I believe he's still living", Flake said.
Brooks said he saw a man with a rifle.
Sen. Jeff Flake, R-Ariz., said in an interview with CNN that Scalise was the only Congressional member shot and that it took about 10 minutes to take the shooter down.
Video shows gunfire at congressional baseball practice as bystander takes cover
Jeff Duncan believes the shooter specifically targeted the baseball practice in Alexandria because it was the Republican team. Lawmaker Brooks described Scalise dragging his body across the pitch to get away from the shooter while the firing continued.
President Donald Trump said in a statement that he and Vice President Mike Pence were aware of the shooting and are "saddened by this tragedy". Our thoughts and prayers are with the members of Congress, their staffs, Capitol Police, first responders, and all others affected.
Witness David Woodruff said he was running past the field when he heard 12 to 14 gunshots, a brief pause and then four more shots.
Woodruff said he ducked into a garage and called 911. "And I see a little bit of a body and then I hear another "bam" and I realize that there's is an active shooter". "This is not what today is about, but there are too many guns on the street", McAuliffe said, citing a statistic that 93 Americans are killed with guns daily. He and the Capitol police officers are receiving medical attention. Witnesses have also reported hearing "loud popping sounds" and anywhere from 50 to 100 shots fired. Kelly and everyone on the filed bolted for the first base dugout, opposite the shooter.
"Nobody else had a weapon so he was just killing everyone - or he would have", Paul said, referring to the suspect. "Two officers engaged in gunfire and returned fire", he said.
Joseph Miscavige, who was at the Y.M.C.A.at the time of the shooting, said he saw victims being taken away by ambulances. Both are OK, their respective offices told News 6. Praying for them and their families.
"Had they not been there, it would have been a massacre", Paul added.
Do you or would you use a tablet for actual work?
On the back, of the iPhone 8 is seen carrying a vertically aligned dual-camera setup that would apparently house AR capabilities. Graphics on iMac are more powerful across the line with the new Radeon Pro 500-series graphics with up to 8GB of vRAM.
Scalise, who is the majority whip, and a number of aides and Capitol Police officers were shot Wednesday morning.
The Congressional Baseball Game, played between Democrats and Republicans, dates back to 1909.
The shooting occurred one day before the annual Congressional Baseball Game, which is scheduled for June 15 at Nationals Park.
That resident, Benjamin Childers, added, "We had three members of Congress [who] took shelter in our apartment".
It's become a charity fundraiser. The last time a lawmaker was wounded was when Democratic Rep.
Police confirmed that the suspect is in custody. "No entry into or exit from the school will be allowed", said a message from Alexandria City Public Schools. It was lifted at about 9 a.m.
Nearly 200 congressional Democrats to sue Trump over foreign payments
In January, Trump pledged to track profits from foreign governments and donate them to the U.S. The White House is promising to fight to have the case dismissed.