(CNN) President Donald Trump has scrapped a planned trip to South America, set to begin Friday, to remain in the United States and "oversee the American response to Syria and to monitor developments around the world," the White House said on Tuesday.

Sarah Sanders, the White House press secretary, said Vice President Mike Pence would travel instead to the Summit of the Americas in the Peruvian capital of Lima.

Trump had also been scheduled to visit Colombia for talks with President Juan Manuel Santos. A person familiar with the planning said those events would be canceled outright, without Pence as a place-filler.

The decision to cancel the trip -- which comes as Trump boils in anger over the FBI raid of his personal attorney's office and hotel room, a move he derided as a "disgraceful situation" -- was made on Monday evening, the person said.

Trump has been mulling a response to an alleged chemical weapons attack in Syria over the weekend with military leaders and foreign counterparts. He has signaled a decision would come within days.

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