New Delhi, July 16 -- Delhi's prestigious St Stephen's College and St Thomas School received bomb threats through email on Tuesday, prompting authorities to launch a thorough search operation, with officials saying nothing suspicious has been found so far. The repeated threats have sparked concern among parents and students across the city.

Deputy Commissioner of Police (North) Raja Banthia said St Stephen's College reported that they received the bomb threat at 7:15 am. In a statement, he said : "The mail claimed that four IEDs and two RDX bombs have been planted on the premises and in the library of the college. It further claimed that those would explode by 2 pm."

Teams from the Maurice Nagar Police Station and other agencies reached t...