An attacker was killed in a suicide blast at a temporary camp of the Rapid Action Battalion (RAB) in the capital’s Ashkona area at 1pm on Friday.Identity of the deceased could not be known immediately. In this incident, two RAB members were also injured and sent to the hospital.Confirming the matter to the Jagonews24.com, Nure Azam, officer-in-charge of Airport Police Station, the man climbed over the fencing and trespassed into RAB property while some RAB members were taking bath.When they challenged, a bomb he was carrying exploded, the OC added.