In a fresh set of unforeseen troubles in the aviation sector, as many as 19 flights have received bomb threats in the past three days. However, the threats received through social media, have turned out to be hoaxes.

A Delhi-bound IndiGo aircraft from Mumbai was diverted to Ahmedabad after receiving a bomb threat, which later turned out to be a hoax, officials said on Wednesday. The aircraft was isolated, and all passengers were safely disembarked.

Another two aircraft also received such threats on Thursday, bringing the total number of warnings in four days to 20.

"Strongly condemn the recent bomb threats to Indian air carriers. We are closely monitoring the situation and ensuring that every necessary measure is taken against such actions,"

At least 10 Indian flights received hoax bomb threats over the past 48 hours, leading to long delays and diversions. On Tuesday, Singapore's Air Force sent two fighter jets to escort an Air India Express plane away from populated areas following a bomb threat.

Twin bomb threats hit Indian airliners on opposite sides of the globe on Tuesday, forcing an emergency landing in the Arctic and fighter jets to scramble in Asia – the latest in a series of similar hoax scares for the country’s airlines.

The latest in a string of hoax threats made against Indian airlines targeted a flight from Germany, the airline said Thursday, with the plane landing safely in Mumbai. More than a dozen fake bomb threats have been made against flights operated by multiple Indian air services this week,

An Indian passenger aircraft was diverted on Wednesday after the latest in a string of hoax bomb threats made to airline companies involving the country.

The Air India flight on its way to Chicago made an emergency landing in Iqaluit Tuesday morning due to a bomb threat. The airline said it's one of several threats in recent days.