Police today confirmed that RDX was used in the February 13 Pune blast at the popular German Bakery in Koregaon Park area. Commissioner of Police, Satyapal Singh, while addressing the media in Pune, after receiving the preliminary report from the Forensic Science Laboratory (FSL) said that one more person has succumbed to his injuries, increasing the death toll to 10 now. However, Singh said he can "neither confirm nor deny" on being asked whether any arrests have been made in connection with the attack. The Centre has not ruled out foreign involvement including a Headley link while some Indian Mujahideen (IM) operatives have come under the scanner of security agencies.<br/>