Secretary of State Marco Rubio said on Thursday he had "zero doubt" that China has a contingency plan to shut down the Panama Canal in the event of a conflict with the U.S. and that Washington intends to address what it sees as a national security threat.

WASHINGTON (Reuters) - U.S. Secretary of State Marco Rubio's trip to Central America, including Panama, is partially about countering China, a State Department spokesperson told Fox Business, as new President Donald Trump is pushing to "take back" the Panama Canal.

WASHINGTON (AP) — Secretary of State Marco Rubio will make his first official trip abroad next week to Central America, including a stop in Panama, which President Donald Trump has riled with talk of trying to reclaim the Panama Canal.

A key focus of Secretary of State Marco Rubio’s visit to Central America this week — his first trip as America’s top diplomat — will be to counter China’s growing influence in the region, the State Department’s top spokesperson said this week,

Secretary of State Marco Rubio will travel to Central America for his first trip as the top US diplomat. Rubio is expected to depart late next week for Panama, Guatemala, El Salvador, Costa Rica and the Dominican Republic, State Department spokesperson Tammy Bruce said.

Secretary of State Marco Rubio’s upcoming diplomatic mission to Central America reflects the US focus on addressing critical regional issues, including migration, security, and the growing influence of China.

U.S. Secretary of State Marco Rubio has embarked on a trip to Central America, including Panama, as part of efforts to counter Chinas expanding influence in the region. According to a State Department spokesperson,