ລມຕ ຕ່າງປະເທດ John Kerry ຢ້ຽມຢາມ ອາຟຣິກາ

South Sudan's President Salva Kiir, right, chats with U.S. Secretary of State John Kerry as he greets Kerry at the president's office in Juba, South Sudan, May 2, 2014.

1 South Sudan's President Salva Kiir, right, chats with U.S. Secretary of State John Kerry as he greets Kerry at the president's office in Juba, South Sudan, May 2, 2014.

U.S. Sec. of State John Kerry, right, meets with Olusegun Obasanjo, chairman of the African Union's South Sudan Commission of Inquiry, in Addis Ababa, Ethiopia, May 2, 2014.

2 U.S. Sec. of State John Kerry, right, meets with Olusegun Obasanjo, chairman of the African Union's South Sudan Commission of Inquiry, in Addis Ababa, Ethiopia, May 2, 2014.

U.S. Sec. of State John Kerry, left, talks with the crew of a U.S. Air Force C-17 military airplane prior to departure from Addis Ababa, Ethiopia, enroute to Juba, South Sudan, May 2, 2014.

3 U.S. Sec. of State John Kerry, left, talks with the crew of a U.S. Air Force C-17 military airplane prior to departure from Addis Ababa, Ethiopia, enroute to Juba, South Sudan, May 2, 2014.

U.S. Sec. of State John Kerry, center, meets with civil society leaders at the U.S. embassy to compel authorities on both sides of the fighting to put a stop to the violence, Juba, South Sudan, May 2, 2014.

4 U.S. Sec. of State John Kerry, center, meets with civil society leaders at the U.S. embassy to compel authorities on both sides of the fighting to put a stop to the violence, Juba, South Sudan, May 2, 2014.