The New York Times reports:

French warplanes struck Islamic State militants in Syria on Sunday, a French government official said, two days after attackers linked to the terrorist group carried out a coordinated assault on Paris that killed 129 people.

Prior to the attack on Paris, France had been sparing in its strikes against targets in Syria.

News reports in France said the airstrikes were focused on Raqqa, the city in northern Syria that is the self-proclaimed capital of the Islamic State.

The attackers in Friday’s terrorist assault in Paris communicated at some point beforehand with known members of the Islamic State in Syria, officials on both sides of the Atlantic say, adding evidence to the assertions that the radical group coordinated or helped carry out the attacks rather than simply inspired them.

President François Hollande of France has characterized the attacks as “an act of war” carried out by the Islamic State, also known as ISIS or ISIL. He provided no specific information, but the Islamic State released statements on Saturday claiming responsibility for the attacks, part of increasing indications that the group is becoming more capable of extending its reach far beyond its base in Syria and Iraq.

UPDATE: More from MSNBC.

SECOND UPDATE: More from CNN and the Washington Post.

THIRD UPDATE: More from MSNBC and Reuters.

FOURTH UPDATE: More from CBS News.

FIFTH UPDATE: More from Chris Hayes.

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D. R. Tucker is a Massachusetts-based journalist who has served as the weekend contributor for the Washington Monthly since May 2014. He has also written for the Huffington Post, the Washington Spectator, the Metrowest Daily News, investigative journalist Brad Friedman's Brad Blog and environmental journalist Peter Sinclair's Climate Crocks.