The singer Alicia Keys is encouraging her fans to tune into tonight's 12-12-12 concert in New York which is being held to help the victims of Hurricane Sandy.
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Hundreds of people are feared to have drowned after a boat packed with migrants sank off the coast of Libya, trapping many in the hold.
Thousands are missing out on the best cancer treatments, research has found, with 50% unaware of more advanced types of radiotherapy.