Zelensky sacks key aide as pressure on him grows

Ukraine's President, Volodymyr Zelensky, has fired one of his top aides, who is reported to be the target of a corruption investigation. Iryna Mudra, the president's deputy chief of staff, was sacked after Ukraine's anti-corruption agency said it had raided the homes of a senior official on Wednesday morning. Meanwhile the former defence minister, Mykhailo Fedorov - whose removal last month…