ABIDJAN: Ivory Coast authorities have imposed a sweeping two-month ban on political rallies and demonstrations just a week before a presidential election, in a move further restricting opposition activity.The ban, announced late Friday by the interior and defense ministries, applies to all political parties and groups except the five candidates officially approved to contest the October 25 vote.It comes amid rising tensions following the exclusion of opposition heavyweights Laurent Gbagbo and Tidjane Thiam from the race.Hundreds of people rallied at protests in Abidjan last weekend, with secur