(BBC News) A suicide bomb attack at a busy shopping area in the Turkish city of Istanbul has killed at least five people, officials say.
Two Israelis, two Americans and an Iranian are said to have died. Another 36 people were injured in the blast near a government building.
No-one has admitted carrying out the attack, the latest in recent months.
Advertisement - story continues below
The Turkish government has blamed Kurdish militants for previous attacks and has retaliated against them.