A shooting has been accounted for at a dance club in the Florida city of Orlando, and the aggressor is said to have taken prisoners.

The episode happened at the Pulse Club, a gay dance club in the city. It posted on its Facebook page: “Everybody escape heartbeat and continue running”.

Video footage being shared on online networking indicated injured individuals being dealt with at the scene.

No official points of interest of the episode have yet been given.

Small time who says he was inside the club at the time and posted recordings of the scene, said on his Facebook page that shots had been discharged inside the club and individuals were “shouting that individuals are dead”.

“They are simply hauling individuals out in stretchers stacking them up,” Anthony Torres composed.

Nearby TV journalist Stewart Moore tweeted that he had been told by a source that more than 20 individuals had been shot.

He said the aggressor was still inside the club with prisoners, and was dreaded to wear a bomb.

Photographs on online networking show many crisis vehicles at the scene.