Three men in Russia climbed up a drainpipe outside a three-storey building to save two children after they got stuck inside a burning apartment.

The video that did rounds on social media shows a man climbing a drainpipe outside a building while a child is trying to escape through a window on the third floor.

Two other men climed up the pipe to form a chain and joined the rescue efforts.

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The video recorded by the residents across the street showed the man around 30 metres above the ground holds the child with one hand while holding on to the drainpipe with the other.

Once he gets hold of the child, he passes him to the other man right below him clinging to the pipe. The second person then passes the child to the third and then a woman on the ground hold the child.

 Later, fire extinguishers arrived and drenched the fire. The men who saved the children have been nominated for bravery awards for their heroic efforts.