Peter Clottey Mediators have urged South Sudan warring factions to respect the ceasefire agreement following accusations that both sides are violating the contract they signed last week at the peace negotiations, says Ethiopiarsquo;s Foreign Ministry Spokesman Dina Mufti. The Intergovernmental Authority on Development (IGAD), a regional grouping is the organizer of the peace talks between representatives of South Sudan#39;s warring factions being held in Ethiopiarsquo;s capital, Addis Ababa....