See - Omar1984 has some proofs, provided bu JUI :)
http://www.defence.pk/forums/national-political-issues/21689-mqm-terrorists-causing-chaos-karachi-trouble-pakistan-6.html#post1253378
http://www.defence.pk/forums/national-political-issues/21689-mqm-terrorists-causing-chaos-karachi-trouble-pakistan-6.html#post1253378