AARON ROSS IVORY COAST President Alassane Ouattara edged closer to claiming a landslide election victory, partial tallies showed, though opponents said his bid for a third term was illegal and the results were skewed by an opposition boycott. The president has been named winner of all constituencies announced so far, most with more than 90 per cent of the vote, after a bitter presidential vote marred by deadly violence. Two major opposition candidates on the ballot had asked their supporters not to take part in Saturday's election, in protest at Ouattara's decision to run. Their parties said whole swathes of…