India, March 24 -- An 18-year-old "key operative" of Pakistan-based terror outfit Tehrik-e-Taliban Hindustan (TTH), and linked to gangster-turned-terrorist Shehzad Bhatti, was arrested by the special cell of Delhi Police, officials said on Monday, adding that the arrestee was allegedly being groomed for carrying out grenade attacks and painting pro-TTH graffiti across Delhi, Punjab and Uttar Pradesh.

Deputy commissioner of police (special cell) Naara Chaitanya said the unit had been mounting surveillance on Pakistan-based terror handler Shahzad Bhatti, allegedly involved in planning terrorist activities in India. It was learnt that one Harmandeep Singh alias Harman was in frequent contact with Bhatti and his foreign-based associates thro...