India, May 10 -- As many as 138 flights at Delhi's Indira Gandhi International (IGI) airport were cancelled between 5am and 2:30pm on Friday due to airspace restrictions amid escalating tensions between India and Pakistan, officials said.

Notably, Delhi's IGI is the only major airport in north India that currently remains operational after the Civil Aviation Ministry on Thursday informed that 24 airports were so far closed for civil flight operations. Airports in a few neighbouring cities such as Dehradun, Lucknow, and Jaipur, among others, are also functioning as of now.

Moreover, security has also been beefed up at the airport, with additional security measures put in place - as mandated by the Bureau of Civil Aviation Security (BCAS)...