Peaches Geldof, 24, has has more than 160,000 followers on Twitter and has previously written columns for the Daily Telegraph and Elle Girl and articles for the Guardian.
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Scotland and Northern Ireland could see rain later but for the rest of the UK it should be a fine day.
Around 31 people are still thought to be missing after the boat sank on a reservoir near the city of Medellin.
Bins were set on fire and objects were thrown at officers as protesters demanded justice for the death of Edir Frederico Da Costa.