Trump and Porosjenko insist on file

The US president Donald Trump and his Ukrainian counterpart Petro Poroshenko have a telephone conversation expressed their concerns about the flare-up of fighting in eastern Ukraine.

Petrosjenko's military and pro-Russian separatists were last week embroiled in fierce fighting, the heaviest in months.

Porosjenko and Trump have also spoken out 'to strengthen the strategic partnership between the two countries. 'The employees of the Ukrainian president reported Sunday. Porosjenko Trump would like to visit, but a date has not been 'pinned'.