World News In Pictures

A girl and her family who escaped from the area controlled by the Islamic State (IS) militants in Iraq's Ramadi cross the Bzibz bridge in south Fallujah on their way to Baghdad on May 20, 2015.

The 11th Panchen Lama Bainqen Erdini Qoigyijabu conducts a ritual to bless Tibetan Buddhism scholars, all monks graduating from the High-level Tibetan Buddhism College of China, in Beijing, captial of China, May 20, 2015.

Yemenis, who have been stranded for more than 50 days in Egypt, walk off the plane at the Sanaa international airport in Sanaa, Yemen, May 20, 2015. Tens of thousands of Yemenis were stranded in other countries after the Saudi-led coalition launched airstrikes since March 26 against the Houthi group and their allies. The military operations in the impoverished country have left more than 1,400 people killed and 4,000 wounded

Iraqi people who escaped from the area controlled by the Islamic State (IS) militants in Iraq's Ramadi cross the Bzibz bridge in south Fallujah on their way to Baghdad on May 20, 2015.

Graduates of Columbia University attend the commencement ceremony in New York City, United States, on May 20, 2015. Nearly 15,000 graduates from more than 90 countries and regions attended the Columbia University Commencement Ceremony of the 261st Academic Year on the Morningside campus in New York on Wednesday.

People carry the coffin of a senior police officer during his funeral in northwest Pakistan's Peshawar, on May 20, 2015. Armed men on Wednesday gunned down a senior anti-terrorism policeman in Peshawar, local media reported.

Israeli Border Police stand guard near the At-Tur Junction, east of the Mount of Olives in the Arab East Jerusalem, on May 20, 2015. Two Israeli Border Police officers were injured Wednesday morning after a Palestinian rammed his car into them in East Jerusalem, in a suspected run-over attack, police said.