A large number of senior career diplomats who served in politically appointed leadership positions at the State Department have left their posts at the demand of the incoming Trump administration, which plans to install its own people in those positions.

Prominent human rights group Amnesty International accused Congo’s army and a rebel group of bombing densely populated areas in attacks that “likely constitute war crimes.”

Colombian president Gustavo Petro warned on Monday that his nation’s military will take offensive actions against the National Liberation Army after the rebels, known as the ELN, unleashed a wave of attacks in the country’s northeast that left dozens of people killed and forced thousands to flee their homes.

The death toll from a gasoline tanker explosion in north-central Nigeria has risen to 98, the country’s emergency response agency said Monday.

President Donald Trump signed an executive order Monday directing the United States to again withdraw from the landmark Paris climate agreement, dealing a blow to worldwide efforts to combat global warming and once again distancing the U.S. from its closest allies.

President Donald Trump has named an acting defense secretary because his choice to lead the Pentagon, Pete Hegseth, has not yet been confirmed by the Senate. Robert G. Salesses, deputy director of the Pentagon’s Washington Headquarters Service, will fill in.

The Ticonderoga-class guided-missile cruiser USS Philippine Sea (CG 58) on Monday began its final deployment after more than 35 years in service.

President Donald Trump pledged Monday to send more troops to the U.S. border with Mexico under an emergency declaration that he intends to sign soon after entering the White House for his second term in office.

The Trump administration Monday ended use of a border app called CBP One that has allowed nearly 1 million people to legally enter the United States with eligibility to work.

After President-elect Donald Trump takes the oath of office and Congress concludes the inaugural pageantry and the post-inauguration lunch on Monday, the Senate will get back to work.