New Delhi, May 8 -- Several flights scheduled for arrival and departures from Delhi Airport were cancelled on Thursday due to the closure of airspace, said airport sources.

These 90 cancelled flights include 46 domestic departures and 33 domestic arrival flights while it included five international departure and six international arrival flights. These cancelled flights were scheduled between 8 am and 2 pm.

This comes in the aftermath of the Indian Armed Forces' Operation Sindoor against Pakistan. As per the central government, 21 airports in North and North-western India will remain shut till May 10.

Several major cities across northern India have been placed on high alert. As part of heightened security measures, several airports acr...