France, Aug. 16 -- Donald Trump and Vladimir Putin made no breakthrough on Ukraine at their high-stakes summit on Friday, pointing to areas of agreement and rekindling a friendship but offering no news on a ceasefire.

After an abrupt ending to three hours of talks with aides, Trump and Putin offered warm words but took no questions from reporters -- highly unusual for the media-savvy US president.

"We're not there yet, but we've made progress. There's no deal until there's a deal," Trump said.

He called the meeting "extremely productive" with "many points" agreed, although he did not offer specifics.

"There are just a very few that are left, some are not that significant, one is probably the most significant," Trump said without elabo...