The United States has said it will prevent the United Nations from supporting an African Union peacekeeping mission in Somalia starting next year, two documents showed, in a move that officials said is likely to end its operations.
The nearly 12,000-strong AU mission props up the fragile government in Mogadishu, helping it push back al Qaeda-linked al-Shabaab militants, whose previous offensives have brought them within striking distance of the capital and who control large
