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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Tony Kim, who taught accounting at Pyongyang University of Science and Technology, was detained as he tried to leave the country.
Southern England will start dry and bright, and sunnier, colder weather will arrive in the north later in the day.
Drivers caught speeding excessively can now expect fines starting from 150% of their weekly income.