New Delhi, Nov. 13 -- Amid the ongoing probe into the Delhi blast near historic Red Fort which killed atleast 12, Delhi police and security agencies have zeroed in atleast 4 doctors till now who were allegedly planning to carry out multiple blasts across the country as part of a terror module.

Till now, atleast 3 doctors, including 1 woman are among the a total of 8 people who are allegedly responsible for the blast near Red Fort. Dr Umar Nabi, an accused, was also identified as the man behind the wheel of the Hyundai i20 car from which the explosion happened.

All three doctors are currently arrested, while Dr Umar died in the car blast. Officials have said that all the arrested are part of a recently busted up "transnational terror mod...