Russian Foreign Minister Sergei Lavrov on Tuesday held a phone call on the Syria crisis with US Secretary of State John Kerry

Russian Foreign Minister Sergei Lavrov on Tuesday held a phone call on the Syria crisis with US Secretary of State John Kerry, Russia's Foreign Ministry said.

The call is the fourth in as many days between Lavrov and Kerry.

They agreed on the need for all main governments in the region to take part in efforts to find a solution to the Syria crisis, the Foreign Ministry said in a statement on its website.

Tuesday's call took place at the initiative of the United States, the statement said.