SNIPPET: "It said the bomb exploded in the Kucukcekmece district on the outer edge of the western side of the city, as the bus was passing. The injured included at least two police officers as well as a number of civilians, Anatolia said. No immediate claim of responsibility was reported." SNIPPET: "Tuesday's bombing came as Turkey was hosting an Asian security meeting attended by leaders including Iranian President Mahmoud Ahmadinejad, Afghan President Hamid Karzai, and Russian Prime Minister Vladimir Putin."