The attackers, who arrived on motorcycles, fired at the security personnel, leaving two jawans seriously injured. The CRPF personnel retaliated following the attack, while Quick Reaction Teams were rushed to the spot. Three Central Reserve Police Force (CRPF) personnel were injured after terrorists opened fire on a CRPF checkpoint in Jammu and Kashmir's Kulgam district on Wednesday.The attackers, who arrived on motorcycles, fired at the security personnel, leaving two jawans seriously injured.