KIEV, June 20 - Ukrainian President Petro Poroshenko said he was contented with the results of his negotiations with U.S. President Donald Trump and Vice President Mike Pence at the White House on Tuesday.

"Grateful to our partners for the support of Ukraine. Our meetings in the WH got very wide agenda. I am delighted with the results of the negotiations with @realDonaldTrump and @VP," Poroshenko wrote on his Twitter account.