India, July 18 -- Over 20 schools in Delhi received bomb threat mails on Friday morning, officials aware of the matter said. Search is underway with bomb disposal teams and squads present at the schools.

According to an official aware of the matter, the schools which have received the email include St Xaviers in Civil Lines, Richmond Global School in Paschim Vihar, Abhinav Public School in Rohini and The Sovereign School in Rohini, among others whose details are yet to be ascertained.

At least seven schools across Delhi received bomb threat emails on Wednesday -- the third consecutive day of such hoax mails in the national Capital.

Two educational institutions in Delhi - St Stephen's College in North Campus and St Thomas School in Dwar...