Three international flights of Vistara airline that received bomb threats turned out to be hoaxes while one of the aircrafts was diverted to Frankfurt as a precautionary measure, officials said on Saturday.

A plane with 147 people on board made an emergency landing in Germany over a bomb threat sent via X, police have said. The Indian carrier Vistara was already targeted in September by a bomb threat in a plane toilet.

A Vistara flight bound for London from Delhi, was diverted to Frankfurt after a bomb threat. It has landed safely at Frankfurt Airport, the airline said Saturday. Mandatory security checks were being carried out.

Vistara flight UK17 from Delhi to London was diverted to Frankfurt due to a bomb threat received via social media. The aircraft landed safely, and after security checks, it will continue its journey,

In the past few days, nearly 40 flights operated by the Indian carriers have received bomb threats which later turned out to be hoaxes.

Air India passengers arriving in New York from Mumbai on Saturday were delayed by a hoax bomb threat, adding to a string of false alarms the carrier has received this month.

Over 45 aircraft received bomb threats today, pushing the total number of such incidents to more than 70 in the past six days. All threats were communicated via social media, either through direct messages sent to airlines or by tagging them in posts,

A Jaipur-bound Air India Express flight from Dubai with 189 passengers on board received a bomb threat via email, said Jaipur Airport Police SHo Sandeep Basera on Saturday. The flight landed at the Jaipur International Airport at 1:20 am after which a thorough check was done by the security forces and nothing suspicious was found,

The pattern of bomb threats to India airlines continued for a fifth day, forcing a London-bound Vistara flight from Delhi to be diverted to Frankfurt on Friday. A Vistara spokesperson said the flight landed safely at the Frankfurt airport and mandatory checks were being conducted.