Volker Turk’s appeal comes the day after US President Donald Trump warned Moscow that it would face significant new economic sanctions if the war was not ended within 50 days

President Donald Trump’s announcement on Monday about aid to Ukraine proves once again that he is nothing if not unpredictable.

— Just over the course of a week, Russia has sent around 114 ballistic missiles, 1270 drones, and about 1100 heavy gliding bombs towards Ukraine. The majority of those go against the civilian population. How does it make you feel?

Former Vice President Mike Pence talks with CNN’s Kate Bolduan about President Trump’s public shift on Vladimir Putin and the war in Ukraine.

During a Cabinet meeting, President Trump answered a question on the war in Ukraine and told reporters, "We get a lot of bulls--- from Putin." The president also said he would consider further sanctions against Russia if the Senate passes legislation.