Turkey declares a national day of mourning, one day after two explosions in Istanbul killed at least 38 people and wounded many others.
Bombs Target Turkish Police

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People carry the flag-draped coffins of police officers killed in Saturday's blasts in Istanbul, Turkey, Dec. 11, 2016.

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A man looks on from a broken window in front of the scene after a blast in Istanbul, Dec. 11, 2016.

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Family members attend a memorial for police officers killed outside the Besiktas football club stadium Vodafone Arena, in Istanbul, Dec. 11, 2016.

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Turkish Prime Minister Binali Yildirim, President Tayyip Erdogan and former President Abdullah Gul pray during a ceremony for police officers killed in Saturday's blasts in Istanbul, Dec. 11, 2016.