Vladimir Shramko, 48, looks on next to his neighbor's house, which was destroyed by shelling in the village of Spartak, on the outskirts of Donetsk, eastern Ukraine, October 21, 2014 (Photo: Reuters)

Relatives and friends bury the body of Yvonne Masika killed during an attack by suspected ADF-NALU rebels for burial in Mbau village near Beni, in North Kivu province, October 21, 2014 (Photo: Reuters)

Tracer rounds cross the sky over the Syrian town of Kobani during an airstrike, as seen from the Mursitpinar crossing on the Turkish-Syrian border in the southeastern town of Suruc in Sanliurfa province October 21, 2014 (Photo: Reuters)

Iraqi security forces and civilians gather at the site of a car bomb attack in Baghdad October 21, 2014 (Photo: Reuters)

Pro-democracy protesters watch live televised talks between Hong Kong government officials and students at an occupied area outside the government headquarters in Hong Kong's Admiralty district,Tuesday, Oct. 21, 2014 (Photo: AP)

Britain's Catherine, Duchess of Cambridge takes her seat in a State Carriage for the carriage procession to Buckingham Palace, as part of the ceremonial welcome ceremony for Singapore's President Tony Tan at the start of a state visit at Horse Guards Parade in London October 21, 2014 (Photo: Reuters)

A general view of the Louvre museum during a visit by the media in Abu Dhabi October 21, 2014 (Photo: Reuters)

Caroline Wozniacki of Denmark (L) is congratulated by Maria Sharapova of Russia after their WTA Finals singles tennis match at the Singapore Indoor Stadium October 21, 2014 (Photo: Reuters)

A person takes a rest at Lake Zurichsee near Zurich, Switzerland, as dark clouds cover the sky Tuesday Oct. 21, 2014 (Photo: AP)

Tourists are seen during a sunny and hot autumn day in the Spain square of the Andalusian capital of Seville, southern Spain October 21, 2014 (Photo: Reuters)