After an email warning about a bomb on the aircraft was received at Chennai International Airport, security agencies conducted a thorough check of the international flight that was scheduled for departure around 10.30 am on Tuesday.

Several museums in Delhi received bomb threats on Wednesday, sparking immediate action by the Delhi police. According to officials, the threats, which were sent via email, targeted between 10 to 15 museums, including the Railway Museum.

A note was found in a male washroom at the Alpha 3 building of Bengaluru airport, which said that the airport would be rocked by a series of bomb blasts.

Delhi Minister Atishi tweeted, "Students have been evacuated and those premises are being searched by Delhi Police. So far nothing has been found in any of the schools. We are in constant touch with the Police and the schools"