Both candidates have claimed victory in the race to become France's next opposition leader, in a contest marred by allegations of vote-rigging. Hundreds of votes are said to separate right-wing candidate Jean-Francois Cope and ex-PM Francois Fillon. As the neck-and-neck result emerged, supporters of both UMP candidates made accusations of vote fraud. The party has been without a leader since Nicolas Sarkozy was defeated in the May presidential election. Mr Cope has been secretary general of the conservative UMP since 2010 while his rival was prime minister for five years during Mr Sarkozy's presidency. More than 50% of the party's...