ABIDJAN (AFP) - At least three people were killed Saturday in clashes between police and demonstrators protesting against a curfew to be imposed on the eve of presidential elections, sources said. Ivory Coasts President Laurent Gbagbo imposed the curfew from Saturday night and anxious residents stocked up at shops amid fears of unrest in Sundays presidential election, after violence marred the run-up to the poll. The curfew would be imposed from 10:00 pm Saturday until 6:00 am on Sunday and from 7:00 pm until 6:00 am each night. from Monday to Wednesday. The curfew will not apply to election staff and campaign officials, UN personnel, international observers and journalists.