Istanbul explosion, in city's central Sultanahmet Square. 伊斯坦堡爆炸, 市中心清真寺廣場

Istanbul explosion: 'At least 10 dead' in city's central Sultanahmet Square | Europe | News | The Independent
http://www.independent.co.uk/news/world/europe/several-injured-in-explosion-in-istanbuls-sultanahmet-square-a6807016.html

Police search the area at the historic Sultanahmet district. Lefteris Pitarakis / AP
Istanbul's Sultanahmet District Hit by Blast; At Least 10 Dead, 15 Wounded - NBC News
http://www.nbcnews.com/storyline/isis-terror/istanbul-turkish-media-says-blast-hits-sultanahmet-square-n494506

REUTERS/OsmanOrsal
Police secure the area after an explosion in central Istanbul, Turkey January 12, 2016.
At least 10 people are dead after an explosion in a popular tourist district of Istanbul - Business Insider
http://www.businessinsider.co.id/istanbul-explosion-casualties-hagia-sophia-2016-1/#.VpV0rNJ942w