U.S. President Donald Trump told Russian President Vladimir Putin on Sunday that ending the conflict in Ukraine was vital and he was ready to help, Kremlin foreign policy adviser Yuri Ushakov said.

Ushakov, who said the two leaders spoke for 55 ?minutes, also said Trump told Putin that an agreement on ending the ?conflict in Iran ?was close.

¡°As regards the Ukrainian conflict, Donald Trump again emphasised ?that a cessation of hostilities was vital,¡± Ushakov told journalists in comments posted on the Kremlin website.