In keeping with a commitment to bring law enforcement, minorities and the wider community together, a prayer service is scheduled for Saturday in downtown Gainesville. Gainesville Community Unity Hour of Prayer, as the event is billed, is designed for police officers, residents, community workers, teachers and other civic leaders to come together in the spirit of healing and forgiveness. The Rev. Robert Washington of the Grace Center of Hope in Gainesville said the mission is to prevent this city from becoming the next community in the national spotlight of gun-related violence.