World leaders vowed a vigorous response to the Islamic State group's terror spree in Paris as they opened a two-day meeting in Turkey on Nov. 15, with President Barack Obama calling the violence an "attack on the civilized world" and Russian President Vladimir Putin urging "global efforts" to confront the threat.
Associated Press: World leaders vow vigorous response after Paris terror spree
A woman lights candles in front of French Embassy in Warsaw on Nov. 14, 2015 following a series of terror attacks in the French city of Paris and its surroundings that has left at least 120 people dead and some 200 wounded.
