India, March 15 -- People in Punjab's Amritsar reported hearing "two loud bangs" early on Friday which woke them up, but officials said it was the sound of the fighter jets of the Indian Air Force flying near the border with Pakistan.

Social media exploded with residents claiming "blasts" and "heightened air activity" in the city and soon #Amritsar started trending with conversation around "sonic booms", "low flying jets and "loud sounds across the sky".

Senior superintendent of police (rural) Parampal Singh said it was a sonic boom of the fighter jets of the Indian air force. Sonic boom happens by shock waves created by any object that travels through the air faster than the speed of sound.

"The Indian Air Force (IAF) carried out an e...