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JULIE PACE
AP White House Correspondent

AUBURN, N.Y. (AP) - President Barack Obama is calling a possible chemical weapons attack in Syria "big event of grave concern."

Obama says the U.S. is still seeking confirmation that toxic gases were used in Syria. But he says such actions are "very troublesome" and are going to "require America's attention."

However, Obama says the idea the U.S. can solve Syria's civil war is "overstated."

The U.S. has previously confirmed chemical weapons use in Syria, a step Obama has said would cross a "red line." However, the American response has been minimal.

Obama spoke in an interview on CNN's "New Day."

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