TOPSHOT - EDITORS NOTE: Graphic content / Emergency responders work beside victims at the site of a blast in Istanbul's Sultanahmet district, the city's main tourist hub, on January 12, 2016. Ten people were killed and 15 wounded in a suspected terrorist attack on January 12 in the main tourist hub of Turkey's largest city Istanbul, officials said. A powerful blast rocked the Sultanahmet neighbourhood which is home to Istanbul's biggest concentration of monuments and and is visited by tens of thousands of tourists every day. / AFP / STR (Photo credit should read STR/AFP/Getty Images)
