Opposition Congress today demanded a CBI probe into killing of its leaders by Maoists in Jheeram valley in 2013.

The NIA says over 150 Naxals armed with AK-47, INSAS rifles and grenades trapped the Cong convoy and the mayhem carried on for two hours.

The Centre has grave doubts over the Chhattisgarh government's claim that nearly 900 personnel had been deployed for the security of Congre...