A Russian convoy of trucks bound for Ukraine drives along a road near the city of Yelets, Russia, on August 12.

Russia ordered a convoy of aid trucks across the border into eastern Ukraine apparently without Kiev's permission, raising the danger of direct confrontation.

A screengrab taken on July 13, 2014 from a video released by the Nigerian Islamist extremist group Boko Haram and obtained by AFP shows the leader of the Nigerian Islamist extremist group Boko Haram, Abubakar Shekau.

Riot police training academy said to be overrun by militants.

Members of the Venezuelan National Guard stand guard inside a supermarket in Caracas.

President Nicolas Maduro announced system in supermarkets to combat food shortages and smuggling.

General Prayuth Chan-ocha led a coup in May.

Parliamentary vote confirmed Gen. Prayuth Chan-ocha, who led May coup, as new premier.

Wikileaks founder Julian Assange speaks onstage via Skype at 'A Virtual Conversation with Julian Assange' during the 2014 SXSW Music, Film + Interactive Festival at Austin Convention Center on March 8, 2014 in Austin, Texas.

Wikileaks founder suggests he will soon leave refuge after two years.

Overview of a tunnel built underground by Hamas militants leading from the Gaza Strip into Southern Israel, seen on August 4, 2014 near the Israeli Gaza border, Israel.

While tunnels used by Hamas to infiltrate Israel were a priority target of an Israeli offensive, many smuggling conduits into Egypt have skirted detection.

Syrian civilians evacuate the war-battered suburb of Damascus, Moadamiyet al-Sham, with the help of the Social Affairs Ministry, as fighting between pro-government troops and rebel fighters continues in districts of the capital.

F.A.A. says ongoing conflict poses "serious potential threat."