A female suicide bomber is suspected of carrying out the attack on a bus in southern Russia, according to news agency Interfax citing Russian investigators.
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More than 20 people are feared injured after a British millionaire crashed his supercar into a crowd at a motor show in Malta.
Police snipers have been seen on Manchester rooftops during the Conservative Party conference.
Great British Bake Off favourite Nadiya Hussain has revealed that her son is sick and has been watching her from his hospital bed.