Several dead in Istanbul tourist district blast An explosion in a district of Istanbul popular with tourists has killed at least 10 people and injured 15 others. The blast in the historic Sultanahmet district was reportedly caused by a suicide bomber TURKEY Istanbul Ankara 200km 125 miles SYRIA IRAQ Hagia Sophia 08:00 GMT: Blast close to Egyptian Obelisk Sultanahmet Square Blue Mosque ISTANBUL BEYOGLU Golden Horn FATIH 1km 0.6 miles BESIKTAS BOSPHORUS Topkapi Palace Bosphorus Bridge USKUDAR Source: Wire agencies Picture: Microsoft