MOSCOW, May 1. /TASS/. Russian Foreign Minister Sergei Lavrov had a phone conversation with US Secretary of State Rex Tillerson on Monday, Russian Foreign Ministry’s press service said.

The top diplomats focused on a next round of talks on Syria in Kazakhstan’s Astana, the ministry said in a statement.

"The foreign ministers exchanged views on the international conference on Syria due in Astana on May 3 and 4," it said.

"Some issues of bilateral relations have been considered. A timeline for upcoming Russian-US contacts was discussed, including a conversation on the sidelines of the Arctic Council Ministerial Meeting in Fairbanks (the US) on May 10-11," the ministry said.

The 4th international conference on Syria will take place in Kazakhstan’s capital on May 3 and 4. On May 2, experts are due to hold talks. The previous, third, conference on Syria was held in Astana on March 14-15. Delegations of Russia, Iran and Turkey, which had brokered a nationwide ceasefire in Syria, took part in the negotiations alongside the Syrian government delegation and experts from the United Nations, United States and Jordan.