DERA ISMAIL KHAN - Some unidentified assailants shot dead the leader of a religious organisation here on Thursday. Police said that the armed motorcyclists opened fire at Anjuman Sadda-e-Hussain president Mukhtar Hussain Baloch near Proa Adda, injuring him critically. He was hurried to nearby hospital but he succumbed to injuries on the way. The assailants, however, managed to flee from the scene. The Counter Terrorism Department of DI Khan Police registered a case against the unknown assailants and started investigations.