Art expert Amy Griffin says the Tate Modern should be equipped to restore the mural back to its original state. But how hard that will be depends on whether paint or marker pen has been used.
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North Korea is willing to hold talks with the US, Pyongyang's delegate to the Winter Olympics has said.
The shadow Brexit secretary said it would be "better" to reach "bold" new trade agreements by working with the EU.
Two other men missing on Scotland's hills this winter have yet to be found.