President Donald Trump seems to have learned the lesson painfully gleaned by all his 21st-century predecessors: You can’t reset US relations with Vladimir Putin.

On Ukraine, Vladimir Putin wants more than Donald Trump has been prepared to offer, writes BBC Russia editor Steve Rosenberg.

Russian President Vladimir Putin’s forces launched a massive aerial assault on Ukraine early Thursday for the second time in two days.

President Trump announces arrangement where NATO pays for US weapons sent to Ukraine, as Russian strikes intensify across Ukraine, including an attack on a maternity hospital.

Secretary of State Marco Rubio plans to meet Russian Foreign Minister Sergey Lavrov on Thursday, just days after President Donald Trump expressed frustration with Russian President Vladimir Putin for not engaging in peace talks with Ukraine,

Trump says he approved sending defensive weapons to Ukraine. President Donald Trump commented further on Tuesday about the apparent reversal on sending more weapon