Srinagar:Four people including two soldiers were killed on Saturday in Nowgam sector of the Line of Control (LoC) in Jammu and Kashmir, when the army foiled an infiltration attempt. "Army troops challenged a group of intruding terrorists earlier in the day. The heavily armed terrorists opened fire at the soldiers," defence sources said. Two terrorists were also killed in the operation, the sources added. The operation continues although the infiltration attempt has been foiled.