New Delhi, April 14 -- Delhi assembly Speaker Vijender Gupta has written to Police Commissioner Satish Golcha after a fresh set of bomb threat emails were sent to the Assembly, seeking urgent action to trace their source and strengthen security.

The Assembly received two such emails on Monday, nearly a week after a security breach incident. Similar threat mails were also received in February and during the Budget Session in March.

The emails threatened to "blow up the Vidhan Sabha with 15 cyanide gas-filled RDX bombs" and were sent to the official ID of the Assembly secretariat as well as Gupta's email address. The messages, written in Hindi, carried identical content and referenced the Tamil Nadu Assembly polls.

The subject line of th...