U.N. ready to work on proposal for combat force in South Sudan

By Michelle Nichols UNITED NATIONS (Reuters) - The United Nations is ready to work with east African bloc IGAD to refine the group's proposal for an intervention force within the U.N. peacekeeping mission in South Sudan, U.N. peacekeeping chief Herve Ladsous told the Security Council on Wednesday. After an outbreak of deadly violence between rival troops in South Sudan's capital Juba in the past week, IGAD demanded the creation of an intervention brigade, similar to a U.N. combat force in Democr