Securing an end to the fighting in Ukraine must take place with Kyiv's full involvement and come with more defense spending by regional countries to avoid any future Russian aggression, according to Lithuania's president.

Defense minister dismisses 5 percent target as unrealistic, as Germany grapples with budget uncertainty ahead of snap elections.

U.S. President Donald Trump said on Thursday he was not sure the United States should be spending anything on NATO, telling reporters the U.S. was protecting NATO members, but they were "not protecting us.