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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Thousands of people attended a protest on Copacabana Beach to demand presidential elections as pressure mounts on Brazil's leader to resign.
Brexit on Theresa May's terms could see the UK lose access to a database of information on terrorists and criminals, the Lib Dems have said.
Monday will see showers for most, but with more sunshine in the southeast.