Members of European Parliament discuss anti-terrorism measures during a plenary session at the European Parliament in Brussels on Wednesday, Jan. 28, 2015 (Photo: AP)

General view of Greece's largest port in Piraeus near Athens January 28, 2015 (Photo: Reuters)

Free Syrian Army fighter Ahmed al-Hussein feeds a dog near the frontline against forces loyal to Syria's President Bashar al-Assad in Aziza village in the southern countryside of Aleppo January 28, 2015 (Photo: Reuters)

People work to shovel snow-covered cars out in Boston's Charlestown section, Wednesday, Jan. 28, 2015 (Photo: AP)

A general view of the Quirinale presidential palace in Rome January 28, 2015 (Photo: Reuters)

Madrasa (religious school) students play in a soccer match at a basketball court in Karachi's slum January 28, 2015 (Photo: Reuters)

People from Pakistani nomad community carry wood they collected to be used as fuel for cooking and heating in Islamabad, Pakistan, Wednesday, Jan. 28, 2015 (Photo: AP)

An Indian Police man takes pictures as the Raisina Hill which houses India's most important ministries and the presidential palace is illuminated on the eve of Beating Retreat ceremony in New Delhi, India, Wednesday, Jan. 28, 2015 (Photo: AP)

Protesters demonstrate against the Houthi movement in Sanaa January 28, 2015 (Photo: Reuters)

Lebanese soldiers patrol the Lebanese Israeli border in the southern village of Abbasiyeh, Lebanon, Wednesday, Jan. 28, 2015 (Photo: AP)