What’s behind the 20 bomb threats that disrupted air travel in India? - Bomb scares have thrown Indian aviation into turmoil by forcing emergency diversions, landings, and evacuations of flights

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.

Republic Media has accessed messages raising doubts whether Air India ignored bomb threats and refused emergency landings. This comes as various Indian air carriers have been receiving bomb threats in the past few days,