Srinagar, Feb. 18 -- Four Army personnel, including a major, were martyred and a civilian was killed in an encounter with militants which ensued during a Cordon and Search Operation (CASO) in south Kashmir's Pulwama district in the wee hours of Monday, official sources said. A soldier was also injured in the encounter, which was continuing when the reports last came in. Meanwhile, mobile internet service, which was resumed last night in the valley after remaining suspended during the day, has been suspended in Pulwama, where additional security forces have been deployed in the main and other towns to prevent demonstrations. According to a police spokesman, details are awaited about the encounter, which ensued three days after 44 CRPF person...