25-year-old Madaline Cole died on Monday after being struck by a motorboat while snorkelling near a tropical island in Malaysia.
Miss Cole, who was a qualified diving instructor, suffered serious injuries to her lower limbs and torso in the accident.
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It will be hot with sunny spells today and feeling humid. Thundery showers are possible later.
Expected to be largely fine and hot but with isolated thunderstorms
Health professionals are advising people to take extra care in hot weather.