India, July 18 -- Over 40 schools in Delhi received bomb threats on emails on Friday, officials said. The threat email claimed that several explosive devices have been placed in classrooms of these schools.

According to Delhi Police, cited by ANI, the threat email that Richmond Global School received had a violent language triggering fear. It read, "Hello I am writing to let you know that I have placed several explosive devices (trinitrotoluene) within school classrooms."

The letter further said that the explosives have been placed in black plastic bags and that "not a single soul will survive." The sender also wrote that they will commit suicide after the news. "You only care about medicating the helpless and clueless humans... You bra...