Bomb threat to over 150 schools in Delhi-NCR; police probing terror angle

In a bomb scare of unprecedented scale, over 150 schools in Delhi-NCR received an identical threat e-mail on Wednesday claiming that explosives had been planted on their premises, triggering massive evacuations and searches as panic-stricken parents rushed to pick up their children. "Nothing objectionable" was found during searches by authorities which later declared it a hoax. Officials said the initial probe suspected a "deeper conspiracy" by a terror group during the Lok Sabha elections, adding that there is suspicion that the threat mail was sent by an ISIS module. The Delhi Police's anti-terror unit special cell has traced the domain of e-mails to Russia and it is suspected to have been formed with the help of the dark web -- an encrypted online content that allows individuals to hide their identity and location from others. The National Investigation Agency may also take up the probe since the role of a terror group is suspected and the "conspiracy" angle may lead to a pan-Ind