The West Bengal BJP on Sunday urged Home Minister Rajnath Singh to take forward its demand for a CBI probe into the incidents of killing of students in Islampur and party workers in Purulia with Chief Minister Mamata Banerjee on Monday.

A state BJP delegation met Singh, who arrived in the city Sunday evening, at Raj Bhavan. "We have told Rajnath Singhji that only a CBI probe can unravel the truth in the killing of two party workers in Purulia in June and the gunning down of two students in Islampur in September.