What to know about the US-NATO weapons deal for Ukraine

President Trump said Monday he had brokered a deal to send more weapons to Ukraine without burdening the U.S., while threatening Russian President Vladimir Putin with new sanctions if there is no deal to end the war in 50 days.

Trump’s announcement marks a potential turning point for a president who had wanted to pull U.S. support from Ukraine and has repeatedly demonstrated favorable treatment to Putin despite Moscow’s invasion of its neighbor.

Under the deal, weapons would be sourced from NATO allies in Europe that just agreed to step up their defense spending at a summit Trump hailed as a success.

Here’s what to know about the deal...