MOSCOW, Sha'ban 28, 1437, Jun 4, 2016, SPA -- Russian Foreign Minister Sergei Lavrov and U.S. Secretary of State John Kerry discussed the Syria crisis on a phone call on Saturday, Reuters cited the Russian Foreign Ministry as saying in a statement. "Lavrov expressed concern about attempts to delay the resumption of political negotiations under various pretexts," the ministry said. --SPA 14:50 LOCAL TIME 11:50 GMT www.spa.gov.sa/w