New White House communications director Anthony Scaramucci pledged Sunday "to take drastic" action to stop leaks coming out of the White House.

"I will take dramatic action to stop those leaks," Scaramucci told Chris Wallace on "Fox News Sunday."

The former financier said that while he could not control leaks coming from other government agencies, he said he would take action in the White House's communications department.

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"If the leaks don't stop, I’m going to pare down the staff because it's just not right," he said.

"I think it's not fair to the president, it's actually not fair to America or the people in the government. I'm not going to be able to stop the leaks in the intergovernmental agencies and all that other stuff, that's a different ball of wax. But something is going on in the White House that the president does not like and we're going to fix it," Scaramucci continued.

"Everyone can stay if they follow protocol against the leaks," he continued.

In a separate interview with CBS's "Face the Nation," Scaramucci said he will work on "culturally changing" the environment at the White House, which has been hampered by leaks.

“If they’re going to stay on that staff, they’re going to stop leaking,” Scaramucci said. “If you’re going to keep leaking, I’m going to fire everybody."

Trump announced Scaramucci's hiring on Friday, setting off the latest in a series of leaks describing White House infighting.

The incoming communications director said he would focus on refining relations between the administration and the news media.

"There is some fake news unfortunately," he said, adding that there were specific people in the media who "stretch or fabricate things."

Scaramucci said he would use social media and Trump's abilities as a communicator to overcome negative stories.

"We're going to focus and refine the messaging from the White House. He's one of the most effective communicators that has ever been born, and so we're going to make sure to get that message out directly to the American people," he said.

--Mallory Shelbourne contributed to this report, which was updated at 10:39 a.m.