BY A STAFF REPORTER:Security forces have foiled a concerted bid by terrorists to infiltrate into Kashmir. Two terrorists were killed in a heavy exchange of fire in Keri. Police said the terrorists were from Pakistan Occupied Kashmir and were heavily armed. A CRPF patrol party also came under attack at Sopore during a routine cordon and search operations. Two CRPF jawans were martyred and a local civilian killed in the encounter between the security forces and terrorists.