
Police investigate the scene of an explosion in central Istanbul on Tuesday, January 12. A suicide bomber killed 10 people and injured more than a dozen others in a popular tourist area.

A man takes a photograph near the site of the explosion in Istanbul's historic Sultanahmet district.

Turkish police cordon off a street in Istanbul.

A man looks at the Blue Mosque near the site of the blast in Istanbul.

Police investigate the scene.

Ambulances and fire trucks gather near the site of the attack.

People on a tram look out the window as it drives past the tourism hub where the explosion occurred.

A police helicopter patrols over the historic Sultanahmet district.