New Delhi, May 1 -- Lt Governor VK Saxena said Delhi Police had traced the origin of the bomb threat emails that were sent to multiple schools in Delhi-NCR on Wednesday, and assured that the culprits would be given strict punishment.Officials said the bomb threat appeared to be hoax and there was no reason to panic.

Saxena visited the DAV school in Model Town area that had also received the threat.

The L-G said Delhi Police responded quickly to the bomb scare and began action after cordoning off and searching the premises with bomb disposal teams and dog squads.

Delhi was fully alert to prevent any untoward incident, he said at the school."Delhi Police have found out from where these emails are coming. Investigation is going on. I woul...