Chandigarh, April 17 -- Several educational institutions, including at least three city schools, received bomb threats emails on Wednesday morning. After extensive searches, police officials said the threats were a hoax.

The city's educational institutions, administrative buildings and other public places have been getting a string of such messages since the beginning of this year. Earlier on Tuesday, a hoax bomb threat had been sent to the regional passport office.

The fresh mail sent to St Stephen's School, Sector 45, Saupin's School, Sector 32-A, and Mount Carmel School, Sector 47 at 7.20 am - school opening hour - claimed the explosives had been planted at schools, the UT secretariat and even on Air India flights. The sender also me...