Chaos has erupted at one of Britain's busiest airports after large drones forced all flights to be canceled.<br />London's Gatwick Airport has been closed since Wednesday night, local time, and the British Army has been deployed to help resolve the situation. <br />One of the options being considered is shooting down the drones and police are still on the hunt for those responsible.<br />Tens of thousands of travelers have been stranded and passengers due to fly on Thursday and Friday have been advised to check their flight status before going to the airport. <br />Police said the drone activity was not terror-related but was a "deliberate act" of disruption. <br />