A growing number of Republican lawmakers are sounding off against President Donald Trump’s warning that the U.S. might take Greenland by force. The president’s threats and refusal to rule out using troops to seize Danish territory have sparked mutiny on Capitol Hill and left the U.S.’s closest European allies scrambling.

Sen. Lisa Murkowski (R-AK) endorsed her seatmate, Sen. Dan Sullivan (R-AK), in a bold departure from her past cross-party endorsements of former Democratic Alaska Rep. Mary Peltola.

Sens. Thom Tillis of North Carolina and Lisa Murkowski of Alaska quickly answered the question Monday of whether any Republicans would push back on the Justice Department's criminal probe of Fed Chair Jay Powell.

Sen. Murkowski, for the second time this week, went against the GOP in a bold statement, calling out DHS for icing out Minnesota law enforcement.

President Donald Trump tore into Republicans who moved to keep him from striking Venezuela again without congressional approval while in Detroit.

"Trump's fury unleashed in public, but what he did in private will shock you. Find out how vindictive he gets when crossed. 🔥 #GOP

A bipartisan group of lawmakers will travel to Denmark in the wake of a recent push by President Trump to acquire Greenland, which is a Danish territory. The group includes Sens. Chris Coons

The war powers resolution will need another vote in the Senate before it becomes official. Still, the five defectors' rebellion served as a sharp rebuke.