A soldier and a militant were killed on Wednesday in Jammu and Kashmir's Kupwara district when the Army foiled an attempt by militants to sneak into India from Pakistan.Defence Ministry spokesman Colonel Rajesh Kalia said here: "An Army soldier was martyred and a terrorist killed in Keran sector of the LoC (Line of Control) where alert troops foiled an infiltration bid."Two soldiers sustained injuries in the operation. The infiltration attempt was made by terrorists near the Chaken Post on the LoC," the official added.The winding LoC separates Jammu and Kashmir between India and Pakistan.