Delhi: More than 20 planes of Indian airlines received bomb threats on Sunday. Sources gave this information. Sources said that these airlines include IndiGo, Vistara, Air Indi,a and Akasa Air, whose various flights including international flights received bomb threats.

These companies threatened to blow up six planes each

He said six flights each of IndiGo, Vistar,a and Air India received threats. In a separate statement, an IndiGo spokesperson said the airline took note of the situation on flights number 6E 58 (Jeddah to Mumbai), 6E87 (Kozhikode to Dammam), 6E11 (Delhi to Istanbul), 6E17 (Mumbai to Istanbul), 6E133 (Pune to Jodhpur) and 6E112 (Goa to Ahmedabad).

Vistara said it had received threats on six flights - UK25 (Delhi to Frankfurt), UK106 (Singapore to Mumbai), UK146 (Bali to Delhi), UK116 (Singapore to Delhi), UK110 (Singapore to Pune) and UK107 (Mumbai to Singapore). "As per protocol, all relevant authorities were immediately informed and security procedures are being followed as per their instructions," a Vistara spokesperson said.

The emergency response team is monitoring the situation

An Akasa Air spokesperson said some of their flights received security warnings on Sunday. He said emergency response teams were monitoring the situation and were in touch with security and regulatory authorities. Sources said at least six Air India flights had received threats but there was no immediate comment from the airline.

So far this week, more than 90 flights have received bomb threats, all of which have turned out to be false.