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.

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.

Is there a direct link between what US President Donald Trump says and what Russian President Vladimir Putin does? Certainly, the harsh words and bitter violence of recent days in Ukraine suggest the answer is maybe.

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

I would say he's not thrilled about it. But, you know, he's been able to handle sanctions'.

After days of expressing displeasure with his latest phone call with Putin, Trump went even further at a Cabinet meeting.