Srinagar, Feb 06: Chief of “Lashker-e-Mustafa” which according to police is an offshoot of Jaish-e-Mohammad was arrested by police in Jammu district, officials said. A senior Police officer said that Hidayatullah Malik, a categorized militant from Shopian district was arrested in a joint operation by Jammu Police and Anantnag Police. Legal proceedings has been initiated and further investigations are on, the officer said.