Clashes erupted when activists tried to break through police lines Scuffles in Moscow . Former world chess champion and Russian opposition figure Garry Kasparov has been jailed for five days. He and other opposition figures were detained during a rally organised by Mr Kasparov's Other Russia coalition. Police moved in when protesters marched on the election commission. Mr Kasparov was charged with resisting arrest and organising an unauthorised protest. The incident came a week before polls which supporters of President Vladimir Putin are widely expected to win. Other Russia brings together a broad coalition of mainstream politicians, leftists and nationalists, all of whom are opposed to the Kremlin. / by BBC /