By Guy Faulconbridge, Andrew Osborn and Dmitry Antonov MOSCOW (Reuters) -U.S. President Donald Trump's decision to ramp up arms shipments to Ukraine is a signal to Kyiv to abandon peace efforts, Russia said on Thursday,

Dmitry Medvedev, the chairman of Russia’s Security Council, called on Moscow to be ready to strike the West if it escalates the war in Ukraine — just days after President Trump vowed to ramp

As President Donald Trump hardens his position toward Moscow and seeks new ways to bring its war in Ukraine to an end, he says he isn’t looking to deliver Kyiv longer-range missiles that could strike targets deeper into Russia.

I am very disappointed with President Putin,” Trump said July 13. “I thought he was somebody that meant what he said."

Second, Mr Trump says he will give Russia 50 days to end the fighting or face economic punishment, with America imposing secondary tariffs on any country that buys Russian exports, mostly its oil. Finally,