Eyewitnesses say several people have been injured
A suspected car bomb has exploded close to a military barracks in Istanbul.
At least five people have been injured,
according to reports from the scene.
It is the latest in a spate of bombings in Turkey this year.
There have been two suicide bombings in tourist areas of Istanbul which were blamed on ISIL.
There have also been two car bombings in the capital, Ankara, which were claimed by a Kurdish militant group.