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3 dead, 2 critically injured after standoff in Deerfield Beach, Fla.

Police respond to a hostage incident at the Highland Woods trailer park in Deerfield Beach, Fla.

A gunman and two other people died during a hostage standoff in Deerfield Beach, Fla., NBC Miami reported early Friday.

The Broward Sheriff’s Office said the shooter and a male child were found dead after a SWAT team "made entry" into a recreational vehicle in Deerfield Beach, which is north of Miami.

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A woman and another boy were both taken to hospitals and were listed as being in critical condition, police said.

The incident began at about 6:30 p.m. ET when the suspect shot a man outside a RV at the Highland Woods trailer park.

The suspect was at one point holed up in a RV with as many as five other people, and later two, as he held a gun to a woman’s head, police said.

However, that hostage was later released, her daughter told NBC Miami.

Just before 8:30 p.m., Broward Sheriff's Office vehicles moved in to try to remove an injured person laying motionless on the ground. The man appeared to be the victim who was shot earlier.

However, police could not retrieve him because of the gunman said he would shoot if they came too close, according to Dani Moschella of the Broward Sheriff's Office.

That person was later declared dead, authorities said.

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NBC Miami and msnbc.com staff contributed to this report.