Jammu, Sep 26 (ANI): Militants dressed in army uniform have attacked a police station and an Army cantonment in Jammu and Kashmir on Thursday morning, killing at least 12 people. The militants first attacked a police station in Hiranagar of Kathua district in Jammu, killing four cops and two civilians. After destroying the police station the terrorists hijacked a truck and went to an Army brigade camp in Samba, where they have reportedly killed at least six Army personnel. A fierce gun battle is on between the militants and the army personnel in Samba. All the injured have suffered critical splinter and bullet injuries.