Karnal, May 22 -- Panic gripped the Ambala deputy commissioner (DC) office on Wednesday after an e-mail regarding a bomb at the premises was received on the official ID of the DC.

Security agencies were immediately alerted.

After a search, the threat turned out to be a hoax.

DC Ajay Tomar said that the mail was received on the official ID early morning that RDX-based IED has been placed at the premises but prima facie it appeared to be a hoax.

"Police teams, along with bomb disposal squad and other teams started a search operation before office was opened for employees. After a go-ahead by the police, it was proved to be a mere rumour. Police are investigating the source of the mail and will ensure strict action," he said.

Earlier, s...