Army Sources: The avalanche had hit the Army positions in the northern glacier at around 3.30 pm today. #Siachen https://t.co/W1K4mQkPw7 — ANI (@ANI) 1574085984000

Four Indian Army personnel and two civilian porters were killed after they were hit by an avalanche in the northern part of the Siachen Glacier on Monday afternoon, officials said.A group of eight persons, including six Indian Army personnel, were struck by the avalanche at an altitude of 19,000 ft around 3 pm, they said.Two Indian Army personnel survived the avalanche. Rescue teams from nearby posts were rushed to the location after the incident, an Army spokesperson said."All eight personnel were pulled out of the avalanche debris. Seven individuals were critically injured in the incident," the official said.Despite best efforts, four soldiers and two porters succumbed to extreme hypothermia, the official said.The Siachen Glacier at the height of around 20,000 ft in the Karakoram range is known as the highest militarised zone in the world where the soldiers have to battle frostbite and high winds.Avalanches and landslides are common at the glacier during the winters and temperatures can drop to as low as minus 60 degrees Celsius.