Two soldiers and four militants were killed on Sunday during an attack on an army camp in Jammu and Kashmir's Uri town, said defence sources.Colonel S.D. Goswami, spokesman of the army's Udhampur headquartered Northern Command told IANS, "Four terrorists who had entered the rear base camp of an infantry battalion in Uri town were killed," adding "search operation was continuing inside the camp".The fidayeen (suicide) militants had entered the camp around 5.30 a.m.Defence sources told IANS that six soldiers were also injured in the attack who were airlifted to an army hospital in Srinagar."Terrorists attacked the rear base camp of an infantry battalion and not the headquarters of 12 Brigade in Uri today (Sunday) morning which is posted on the Line of Control (LoC)," the sources added.In New Delhi, Union Home Minister Rajnath Singh is reported to have cancelled his visit to Russia and the US. He has called for a high-level meeting on Sunday to discuss the situation is Kashmir.