NATO foreign ministers are debating a U.S. demand for a big increase in defense spending, President Donald Trump's administration wants to focus on security challenges outside of Europe.

Brazilian President Luiz Inácio Lula da Silva says he would try to urge Russian President Vladimir Putin to attend peace talks with Ukraine’s Volodymyr Zelenskyy this week in Turkey.

Moscow's court service says a third man has been detained in a major bribery case involving one of Russian's most senior defense officials.

The United States and NATO have rejected key Russian security demands for easing tensions over Ukraine.