Chinese soldiers conduct a practice at dawn ahead of a military parade later in the morning at Tiananmen Square in Beijing on September 3, 2015, to mark the 70th anniversary of victory over Japan and the end of World War II.

President Xi Jinping announced he would cut troop levels by 300,000 as China held its biggest display of military might in a parade to commemorate victory over Japan in WWII, an event shunned by most Western leaders.

Somalian security forces inspect the blast scene after Somalia's al-Shabab attacked on a training compound near Somali HQ of National Intelligence and Security in Mogadishu , Somalia on June 21, 2015.

Militants said they killed 70 soldiers at base outside Somali capital.

Relatives of inmates await news outside the Quezaltepeque prison, where at least 14 inmates were killed on the eve when violence erupted between two factions of a notorious gang, in Quezaltepeque, about 30 km north of the capital San Salvador, on August 23, 2015.

Gang violence left 907 people dead last month, officials said.

Policemen conduct a search operation at apartment blocks on the outskirts of Bangkok on August 30, 2015.

Fingerprints tied arrested man to site of blast at Bangkok shrine.

Migrants wait to board a ferry from the island of Kos for transport to the Greek mainland port of Piraeus on August 31, 2015 in Kos, Greece.

After a hiatus of a few days last week, Greek authorities resumed carrying the refugees - mostly from Syria, Iraq and Afghanistan - to the mainland by ship from the islands of Kos, Lesbos, Samos, Symi and Agathonissi.

Palestinian children drink water at the besieged Yarmuk refugee camp in the Syrian capital Damascus on August 18, 2015.

Across Middle East and N. Africa, 9,000 schools unusable, report says.

US President Barack Obama (C) speaks as Myron Naneng (L) of the Association of Village Council Presidents and Melanie Bahnke of Kawerak Inc. look on during a round table discussion with Alaskan Natives at the Denaina Civic and Convention Center on August 31, 2015 in Anchorage, Alaska.

Republicans, however, pledged to keep up their fight against the pact with new sanctions on Tehran.