Prince Harry's trip to Angola comes 16 years after his mother, Princess Diana, gave the landmine clearance cause a global profile with a visit to the African country.
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Two other men missing on Scotland's hills this winter have yet to be found.
The decision was made after two Russian athletes failed drugs tests at the PyeongChang Games.
Sunday will be dry and largely sunny, although there will be some patchy cloud, mainly across eastern Scotland and eastern England.