The FBI has taken over an investigation into a night club shooting in Orlando, Florida they believe may be an act of domestic or international terrorism. The massacre took the lives of 50 people, and reportedly wounding more than 50 others.

The shooting took place at Pulse (L.G.B.T.) nightclub at 2 a.m. Sunday morning. The incident which began as a hostage situation, lasted until 5 a.m.

The gunman reportedly entered the club with an assault rifle and a handgun. He was killed by authorities at the end of the ordeal.

Many club goers took to social media to warn others inside Pulse to 'get out and run'.

Police are not confirming if the killings were an act of radical Islamic terrorism, but they are searching for answers.

FBI Special Agent in Charge Ron Hopper tells ABC News 'there's no further threat to Orlando or the surrounding area'.

Many club goers took to social media to warn others inside Pulse to 'get out and run'.

Investigators are surmising that if the Orlando shooting turns out to be an act of terrorism, it's the deadliest attack on America since 9/11.

This news story puts Orlando on the national stage twice in two days, with the nightclub massacre following the shooting of The Voice finalist Christina Grimmie on Friday night.

SOURCE: 6ABC, ABC News

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