Explosions Heard Near U.S. Area in Baghdad

Once again, some strong explosions have shaken the center of Baghdad.

Sirens are being heard from the U.S.-controlled area known as the "green zone" following the late-evening explosions.

Three blasts were heard, followed by the sirens and a recorded message to "take cover."

It's not clear just where the blasts occurred, or whether there's any damage or casualties.

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