By Alan Neuhauser, DNAinfo Reporter/Producer

HARLEM — A shooting at Harlem's famed Rucker Park basketball court left four men and a teenager hurt Wednesday night, just four days after a 4-year-old was shot and killed at a Bronx hoops tournament.

Wednesday's shooting apparently followed a courtside argument over a referee's call, police said.

Shots rang out from the stands shortly after 11 p.m., scattering hundreds of basketball fans, including former New York Knicks star Nate Robinson.

They had packed the court to watch the Entertainers Basketball Classic, which pits some of the best street ball players against each other from June through August.

"It was a dispute," a police source said.

He added the argument over the ref's call was "possibly what led to it."

A 16-year-old boy and four men in their 20s were each struck once by bullets, police said.

They were shot in the ankle, leg or arm, and rushed to local hospitals, where they were in stable condition. Robinson was not injured.

It was unclear if there was just one gunman, police said.

A cell phone video of the shooting was published by WorldStarHipHop.com. The footage shows a crowd gathering at a corner of the basketball court, then ducking when two loud shots ring out. A person near the camera shouts, "Oh!" with each bang.

Witnesses told news sources that a man in the stands brandished a handgun and fired into the air.

"The guy was standing no more than five feet away from me," Rodney Harris, 47, told the Daily News.

"He pulled a gun out of his pocket and shot once. He then shot one more time. Everyone started running."

The man then allegedly walked across the street to a deli and began firing into the crowd.

"He just walked away," Harris said. "He didn't even run. My friend, a basketball player, got shot in the ankle."

On Sunday night, 4-year-old Lloyd Morgan was struck by a stray bullet and killed after a gun battle broke out during a memorial basketball tournament on the Forest Houses basketball court in the Morrisania section of The Bronx.

Rondell Pinkerton, 17, and Courtney Kelly, 26, who was injured in the exchange, were charged in that shooting. Police are seeking a third suspect.