According to flight tracker Flightradar24, the Air Indian Express plane took off from the Madurai airport at about 1.54pm local time and was due to land in Singapore at about 8.50pm. It only landed at 10.04pm after a delay of over an hour.

Canadian military airlifts passengers after bomb threat diverts Air India flight; India faces multiple hoax threats, investigation ongoing.

Two Singapore air force F-15SG jets scrambled and escorted Air India flight AXB684 away from populated areas after the airline received an email that there was a bomb on board its plane, Defence Minister Ng Eng Hen said in a Facebook post.