IndiGo issued a travel advisory on Tuesday night, warning passengers of reduced visibility and slower flight movements on Wednesday morning.

US President Donald Trump has urged nations to have a united front against radical Islam after an Islamic State-inspired terror attack on a Jewish Hanukkah celebration at Sydney’s Bondi Beach claimed 15 lives.

The Luthra brothers, against whom a case of culpable homicide and negligence is registered, were brought back to India on an IndiGo flight last afternoon.