ISTANBUL, Turkey (AFP) –A bomb ripped through a Turkish police vehicle near Istanbul’s historic centre Tuesday, killing seven officers and four civilians and adding to security concerns after a string of attacks in Turkey’s biggest city. The bomb targeted a service shuttle bus carrying officers from Istanbul’s anti-riot police as it was passing through the central Beyazit district close to many of the city’s top tourist sites, Istanbul governor Vasip Sahin said in a live […]