Four people were killed and two injured when a gas tanker exploded at the holy site of Mina near Makkah on Monday, authorities said. The explosion occurred during a pumping operation, but the cause was not immediately clear, said Col. Ali Al-Muntasheri, spokesman for the Makkah Civil Defense. The tanker was filled with 33,000 liters of gas. A total of 10 teams of firefighters battled the blaze before it could spread into the tent city. Only four tent camps were affected by the explosion, Al
