By Andrew Osborn MOSCOW (Reuters) -In a few short hours in Alaska, Vladimir Putin managed to convince Donald Trump that a Ukraine ceasefire was not the way to go, stave off U.S. sanctions, and spectacularly shatter years of Western attempts to isolate the Russian president.

U.S. President Donald Trump said he and Russian President Vladimir Putin did not reach a deal to end Russia’s war in Ukraine after talks in Alaska on Friday, as the two leaders offered scant details on what was discussed but heaped praise on one another.

However U.S. envoy Steve Witkoff revealed that Putin agreed to allow the U.S. and its European allies to offer Ukraine a security guarantee at his meeting with Trump.