Several news outlets are announcing that the United States has launched a missile strike on the military airfield in Syria where this week’s chemical attack is believed to have originated.

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Update:

Truth or spin?

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Update:

Here are photos and video of the missiles being launched, courtesy of the Pentagon:

… and here’s video (not nearly as clear, sadly) of them being delivered.

Editor’s note: This breaking news post will be updated as more information becomes available.