President Barack Obama speaks during a joint news conference with Ethiopian Prime Minister Hailemariam Desalegn, Monday, July 27, 2015, at the National Palace in Addis Ababa. Obama is the first sitting U.S. president to visit Ethiopia. (photo credit @AP Photo/Evan Vucci)

President Barack Obama speaks during a joint news conference with Ethiopian Prime Minister Hailemariam Desalegn, Monday, July 27, 2015, at the National Palace in Addis Ababa. Obama is the first sitting U.S. president to visit Ethiopia. (photo credit @AP Photo/Evan Vucci)

ADDIS ABABA, Ethiopia (AP) — President Barack Obama launched a personal push for peace in South Sudan on Monday, convening African leaders for urgent talks in neighboring Ethiopia aimed at keeping the world’s newest nation from collapsing amid civil war.

“The possibilities of renewed conflict in a region that has been torn by conflict for so long, and has resulted in so many deaths, is something that requires urgent attention from all of us,” Obama said. “We don’t have a lot of time to wait.”

The talks on South Sudan came on the sidelines of Obama’s visit to Ethiopia, his second stop on a trip to East Africa. He urged Ethiopia’s leaders to curb crackdowns on press freedoms and political opposition, warning that failure to do so could upend economic progress in a country seeking to move past years of poverty and famine.

“When all voices are being heard, when people know they are being included in the political process, that makes a country more successful,” Obama said during a news conference with Ethiopian Prime Minister Hailemariam Desalegn.

Ethiopia has been among the most active countries in East Africa seeking to end the crisis in South Sudan, a young nation birthed with backing from the U.S. and other nations. South Sudan’s warring factions face an Aug. 17 deadline to accept a regional peace and power-sharing deal.

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