The Story of Gog And Magog

Allah the Almighty says: {They said: "0 Dhul-Qarnain! Verily Ya'juj and Ma 'juj (Gog and Magog) are doing great mischief in the land. Shall we then pay you a tribute in order that you might erect a barrier between us and them?" He said: "That (wealth, authority and power) in which my Lord had established me is better (than your tribute).  So help me with strength (of men), I will erect between you and them a barrier. "Give me pieces (blocks) of iron;" then, when he had filled up the gap between the two mountain-cliffs, he said: "Blow;" then when he had made them (red as) fire, he said:  "Bring me molten copper to pour over them." So they (Ya 'juj and Ma 'juj (Gog and Magog)] could not scale it or dig through it. (Dhul-Qarnain) said: "This is a mercy from my Lord, but when the Promise of my Lord comes, He shall level it down to the ground. And the Promise of my Lord is ever true"}. (Al-Kahf, 94-98) And, {Until, when