The terrorists launched an attack on the Indian Air Force base in Punjab’s Pathankot. The gunfire started around 3:30 am, authorities said, adding that an official car was used to launch the attack.

Security personnel stand guard outside the Indian Air Force (IAF) base at Pathankot in Punjab, after terrorists tried to storm the area with the aim of destroying the equipment. Photograph: Mukesh Gupta/Reuters

Following the attack, security personnel barricaded the area and carried out operations to control the situation in which 4 terrorists died. Photograph: Mukesh Gupta/Reuters

A high alert was called in the country with tightened security being put in place in Delhi, Jammu and neighbouring areas of Punjab. Photograph: Mukesh Gupta/Reuters

A SWAT team at the Pathankot attack site. Combing operations are still on with fears of one terrorist still being at large. Photograph: ANI/Twitter