islamabad , pakistan — the uneasy truce between the us side and taliban militants in the kabul plateau remained very brittle on monday as military forces attacked militants in a neighboring district for a second day , causing the prime negotiator for the taliban to break off peacefully . swat mustafa khan , the pro - qaeda cleric who has been negotiated peace talks between the government and the army in sindh , halted talks on monday to defend the military operation in the greater dir district west of swat , his spokesman confirmed .
Maulana Sufi Muhammad is the chief of Tehrik Nifaz Shariat-e-Muhammadi.