A man with a Syrian flag arrives in St. Peter's Square at the Vatican.
Spanish matador El Juli performs a pass to a Domingo Hernandez bull during a bullfight as part of the Rice feria in the Arles Arena, southern France.
Spanish tennis player Rafael Nadal plays a point against France's Richard Gasquet during their 2013 US Open men's semi-final match at the USTA Billie Jean King National Tennis Center in New York on September 7, 2013.
Faithful pray during a vigil in the Sacre-Coeur Basilica in Paris.
Pope Francis leads a mass in Saint Peter Square at the Vatican.
Turkish students spread as police fire tear gas during a protest outside the Middle East Technical University in Ankara.
A young protester shouts slogans during a demonstration against a possible US military strike on Syria in the southern Lebanese city of Sidon. The boy's face reads in Arabic, "At your service, Syria".
A Syrian soldier prepares bullets for a machine gun in the Syrian Christian town of Maalula.
A Transportation Security Administration officer holds a rifle while participating in a color guard before a farewell ceremony for Homeland Security Secretary Janet Napolitano at the Ronald Reagan Building September 6, 2013 in Washington.
Horticulturists dye heather in a field on September 6, 2013 in the eastern French town of Bischoffsheim.
An elderly Palestinian woman sits on a street in Beit Lahia in the northern Gaza Strip on September 6, 2013.
A model walks the runway during the Max Azria fashion show at the Mercedes-Benz Fashion Week Spring 2014 collections in New York.
Compelling images from around the world on Sunday