Once searched, the noise was discovered to have been a lithium ion camera battery that had exploded and caught fire inside the camera bag, which began to smoke.
The incident about 5 p.m. caused a panic because the popping noise from the lithium-ion battery in a camera at a security checkpoint.
According to the Greater Orlando Aviation Authority 27 flights were diverted and 24 flights were cancelled. He says a complete review of airport response will take place on Monday. Passengers had to de-plane, and those who were waiting at their gates were required to go through the TSA checkpoints again. Because of uncertainty about the noise, Orlando police tweeted that no shots were fired and there wasn't any danger to the public.
"In an abundance of caution, passengers inside the terminal were instructed to exit the building while Orlando Police and Orlando International Airport staff investigated", the airport said.
Orlando International Airport received a scare yesterday when some travelers heard what appeared to be a loud gunshot.
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"People sprinted past the security checkpoint to take cover", he added.
Flights were grounded and the airport was evacuated.
After investigation, it has been determined that a lithium-ion battery inside a camera overheated and exploded.
The passenger was surprised when he saw smoke from a lithium battery that had overheated and exploded coming out of his bag.
The Orlando Sentinel reported that thousands of passengers were stuck at security checkpoints after the camera battery blew up and people panicked.