China says it reserves right to respond to downing of surveillance balloon

President Joe Biden was first briefed about the Chinese surveillance balloon on Tuesday, according to White House press secretary Karine Jean-Pierre, two days before the news was publicly confirmed by U.S. officials.

"He asked the military to present options," she told reporters in a gaggle on Air Force One. "It was the strong recommendation by Secretary Austin, Chairman Milley, the commander of Northern Command, not to take kinetic action because of the risk to safety and security of the people on the ground. President Biden took that recommendation from the military seriously."

"The president will always put the safety of the security of the American people first," she said.

Jean-Pierre said Biden continues to receive regular briefings from national security team, and that he "agreed" with Secretary of State Blinken's decision to delay his trip to China.

"We are tracking closely and keeping all options on the table," the press secretary said.

President Joe Biden didn’t answer questions reporters shouted about the Chinese surveillance balloon as he left the White House and boarded Marine One shortly after 1 p.m. Friday.

Biden has yet to publicly comment on the balloon since it was confirmed to be flying over the continental U.S. by officials on Thursday.

Biden is heading to Philadelphia, where he and Vice President Kamala Harris will appear at an infrastructure event in the afternoon and then later will speak at the Democratic National Committee's winter meeting.

Staff to the so-called "Gang of 8" received a classified briefing on the balloon by the administration Thursday afternoon, according to multiple congressional officials.

The "Gang of 8" refers to the group of congressional leaders who are briefed on classified intelligence matters. House Speaker Kevin McCarthy, R-Calif., requested a meeting with the group on Thursday.

"China's brazen disregard for U.S. sovereignty is a destabilizing action that must be addressed, and President Biden cannot be silent," McCarthy said.

It's unclear if the classified briefing for the staff is a precursor to their bosses being briefed. No meeting appears to be on the books so far.

-ABC News' Trish Turner

After saying the Chinese surveillance ballon was headed eastward, Pentagon press secretary Brig. Gen. Patrick Ryder said the balloon is "maneuverable."

"So, the balloon is maneuverable. Clearly, it's violated U.S. air space, and again we've communicated that fact to the PRC," Ryder said.

"The balloon has changed its course, which is why we are monitoring it. That is as specific as I can get," he said, not giving further details on how it could be maneuvered.

"We continue to assess and make appropriate decisions based on how we are going to address what we perceive as a potential threat," Ryder added. "The safety and security of the American people is paramount. At this time we assess it does not pose a physical threat to people on the ground."