Four army personnel, including an officer, who were critically injured in a gunfight with heavily-armed terrorists, succumbed to injuries in Doda district of Jammu and Kashmir early Tuesday, official sources said. The encounter took place when the troops of Rashtriya Rifles and Special Operations Group of J&K Police launched a joint cordon and search operation at Dhari Gote Urarbagi in Desa forest belt, some 55 km from Doda town, late Monday evening, the officials said. After a brief exch…