It’s created a fresh nervousness on the streets of Istanbul. “I believe in what the minister says, 100%,” says Burhan Kizilkaya. He runs a small restaurant just off Istiklal Street. “It’s clearly a terrorist attack. They killed innocent people, and children. They should all be executed. I think though security here is much tighter, thanks to our government, so I don’t think the darkest times will return.”