KEY POINTS

Sen. Ruben Gallego, an Arizona Democrat, said he will introduce a resolution to block Donald Trump from invading Greenland, a self-governing Danish territory.

Concerns about U.S. action against Greenland have grown on the heels of the attack on Venezuela, which led to the capture of leader Nicolas Maduro.

“Everybody wants us to have a bigger presence in Greenland to combat the Russian/Chinese Arctic influence,” Republican Sen. Lindsey Graham said.