Saifullah's Boss GM Khan
Saifullah’s Boss GM Khan

The Uttar Pradesh ATS on Thursday arrested the boss of terrorist Saifullah, who was killed in the wee hours of Wednesday in an encounter in Lucknow.

Also Read: Slain Suspected Terrorirst Saifullah Was Self Radicalised, No ISIS Link, Says UP Police

G M Khan is said to be the mastermind of the attack that rocked Bhopal-Ujjain passenger train near Jabdi railway station in Madhya Pradesh on Tuesday.

Also Read: Father Refuses To Take Slain ISIS Terrorist Saifullah’s Body, Terms Him A ‘Traitor’

The attack had left at least four people severely injured. The blast occurred in a general coach of the train between 9.30 am and 10 am, when it was en route to Ujjain from Bhopal

According to sources, Khan taught the other members of the Khorasan module about ISIS via books and texts.