MOSCOW -- The Kremlin announced on Wednesday that Russian President Vladimir Putin held a phone conversation with US President Donald Trump.

"The Russian president has invited the US president to visit Moscow," Kremlin spokesman Dmitry Peskov said, adding that Putin expressed readiness to receive U.S. officials in Moscow.

The two presidents discussed the situation in Ukraine and the peaceful settlement of the conflict, Peskov said, stressing that Trump embraced a quick ceasefire and peaceful settlement of the problem while Putin underlined the needs to eliminate the root causes of the Ukraine conflict.

"During the talks, they also touched upon the issues of the Middle East, Iran's nuclear program as well as Russia-US relations in the economic domain," Peskov said.

He noted that Putin and Trump, during the talks, agreed to keep personal contacts, including arranging a meeting in the future.

The Kremlin spokesman described the phone conversation as an "extensive and substantive dialogue," which lasted nearly 90 minutes.