Qasim Rasheed, who is wanted for several sectarian attacks and targeted killings, was arrested by the Crime Investigation Department from Jamshed Quarters area of Karachi, said Additional Inspector General of Police Ghulam Shabbir Shaikh.
Authorities had earlier announced a reward of Rs 500,000 for Rasheed. The LeJ has been blamed for a series of sectarian killings in Punjab, Sindh and Balochistan provinces.