據信自殺炸彈殺手在伊斯坦布爾造成10人喪生大綱
Turkish President Recep Tayyip Erdogan says a Syrian suicide bomber is believed to be responsible for Tuesday's blast in Istanbul that killed at least 10 people and wounded 15 others.
Erdogan condemned the attack in a televised address and said Turks and foreigners are among the dead.
The explosion hit Istanbul's historic Sultanahmet district, a major tourist area that is home to attractions such as the Blue Mosque and Haga Sophia.
Witnesses described the blast as loud and said it shook the ground.
Prime Minister Ahmet Davutoglu convened an emergency security meeting after the attack.
Turkey has been on alert for attacks since an October double suicide bombing killed more than 100 people at a gathering of peace activists outside a train station in the capital, Ankara.
The government cancelled planned New Year's celebrations in Ankara after detaining two suspected Islamic State members believed to be planning suicide attacks.
Turkish warplanes are taking part in the U.S.-led campaign of airstrikes targeting Islamic State militants in Syria.土耳其總統埃爾多安說，伊斯坦布爾星期二發生的爆炸事件，據信是一名敘利亞自殺炸彈殺手乾的。這次襲擊事件造成至少10人喪生，15人受傷。
埃爾多安發表電視講話，對這次襲擊表示譴責，並說死難者中有土耳其人，也有外國人。
爆炸發生在伊斯坦布爾市蘇丹艾哈邁德歷史文化區，這裏是重要的旅遊區，是藍頂清真寺和聖索菲亞大教堂等歷史名勝的所在地。
目擊者說，爆炸聲音很響，能感到地面震動。
襲擊事件發生後，土耳其總理達武特奧盧召開了緊急安全會議。
土耳其首都安卡拉一個火車站外去年10月份發生連環自殺炸彈爆炸，導致100多名參加集會的和平活動人士喪生。土耳其此後一直處於高度警戒狀態。
土耳其政府還取消了安卡拉地區的新年慶祝活動計劃。此前，有關部門拘留了兩名據信陰謀發動自殺攻擊的伊斯蘭國組織嫌疑人。
土耳其戰機參加了美國領導的針對敘利亞境內伊斯蘭國極端分子的空中打擊行動。
