In Jammu & Kashmir, a soldier was martyred and an unidentified militant was killed in an encounter in Machhil sector in north Kashmir's Kupwara district. <br/><br/>The encounter broke out yesterday morning after the soldiers of 56 Rashtriya Rifles, who were manning the Line of Control, intercepted and challenged a militant group believed to had infiltrated into this side of Line of Control. The cordon and search operation by Army and State Police is in progress in Kupwara district. <br/><br/>Four other soldiers sustained injuries in the day long gunfight yesterday who were airlifted to Army's Srinagar hospital for treatment. Meanwhile, Army chief Gen Dalbir Singh Suhag arrived in Srinagar to oversee the security situation along the LoC and the hinterland. <br/><br/>He had a meeting with Chief Minister in which overall security situation was discussed.The Kashmir valley has witnessed spurt in militant attacks in the recent days. Earlier this month, two policemen and three BSF troopers were shot dead by militants in two separate attacks in south Kashmir's Anantnag district.