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 Reports of shots fired in Terminal 8 trigger security alert, with flights diverted away from New York airport or grounded 
 
 JFK given all-clear after unfounded reports of shooting cause chaos 
 
 Two terminals at John F Kennedy airport are resuming normal operations after reports of shots fired caused chaos for travellers as people were evacuated and fights were grounded or diverted. The Port Authority of New York and New Jersey said JFK's Terminal 8 was evacuated "as a precaution" after the report, which came in about 9:30 p.m. The initial alarm spread through Terminal 8 and to Terminal 1, one of the officials said. However, in a briefing early on Monday, Joe Pentangelo, a Port Authority spokesman, said: “At this time, no firearm, rounds, shell casings or other evidence of shots fired has been found.” 
 
 The New York police department’s head of special operations tweeted that nothing suspicious had been found in a search of the terminals. Police declared early Monday that the two terminals where reports emerged had been searched and cleared. About 45 minutes later, a second call came in reporting that shots had been fired in Terminal 1, the Port Authority said. Jordan Carson 
 
 A senior law enforcement official told NBC News that the concern started when a woman coming off a plane said she thought she'd heard gunfire. An official told NBC News that cheering, clapping and banging from people watching the Olympic Games may have been misinterpreted as a fight and gunshots. The Federal Aviation Administration announced a “full ground stop” on all air traffic arriving at JFK until 11.30pm.
– These are tense times, so it's no surprise that reports of shots fired at New York City's JFK Airport caused chaos Sunday night: Two terminals were evacuated, an NYPD anti-terror unit rushed to the airport, and flights were stopped on the ground or diverted after shots were reported at around 9:30pm, the New York Daily News reports. But authorities found no evidence that any shots had been fired, and a police source tells NBC New York that the alarm may have been raised when a woman coming off a plane mistook cheering, shouting, and banging from people watching the Olympics as a fight and gunshots. Witnesses described scenes of panic as the order to evacuate the terminals was given and even TSA staff began to run. Police sources say a few other reports of gunshots came in around the same time—which matches up with the time Usain Bolt won an amazing third Olympic gold in the 100 meters. "At this time, no firearm, rounds, shell casings, or other evidence of shots fired has been found," a Port Authority spokesman told reporters early Monday. The Guardian reports that after travel delays for thousands of people, officials gave the all-clear and flights from JFK resumed around midnight.