Fourteen soldiers were injured on Saturday in an explosion inside an army training camp in south Kashmir's Pulwama district, authorities said.A defence source told IANS: "Fourteen soldiers were injured inside the Corps Battle School (CBS) in Khrew area today (Saturday) in an explosion.""The explosion occurred due to mishandling of an explosive device and there are no reports of any sabotage in this incident. Three troopers have sustained critical injuries while the rest are being treated mostly for minor injuries," the source added.CBS Khrew is situated inside the camp of 50th battalion of counter insurgency Rashtriya Rifles.