Kolkata, Nov. 12 -- Two IndiGo flights narrowly escaped a potentially serious accident at Netaji Subhas Chandra Bose International Airport after a dog was spotted on the runway, prompting the pilots and air traffic control (ATC) to take immediate precautionary measures.

The incident has once again raised questions over runway safety and security arrangements at the airport, particularly how an animal managed to enter an operational area used by aircraft for take-off and landing.

According to airport sources on Wednesday, an IndiGo flight scheduled to operate from Kolkata to Ranchi was preparing for departure when its pilot spotted a dog on the runway. The pilot immediately alerted the Kolkata ATC, following which the necessary safety prot...