According to the Delhi Police, the threat originated from a phone call made to the Mumbai Police Control Room, during which the caller allegedly claimed that the Red Fort would be blown up

According to the ATS, search operations were carried out in Mumbai, Thane, Kurla, Bandra, Jogeshwari, Navi Mumbai, Mira Road, Bhayandar, Sangli, Satara and Chhatrapati Sambhajinagar, among other locations