Terror suspect Sajid Akram, shot dead by Australian police after the Sydney attack, had limited contact with his Hyderabad family since emigrating in 1998. Authorities believe both Akram and his son, Naveed, were radicalized in Sydney, with no apparent connection to India. Naveed’s vehicle reportedly contained explosives and ISIS flags.

The Luthra brothers had fled to Thailand’s Phuket, hours after the December 6 blaze at the Birch by Romeo Lane nightclub, which killed 25 people.

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