Russia's foreign minister Sergei Lavrov speaks during a news conference with United Arab Emirates Foreign Minister Sheikh Abdullah bin Zayed Al Nahyan in Abu Dhabi, UAE, March 6, 2019.

Russia's foreign minister Sergei Lavrov speaks during a news conference with Kuwait's Foreign Minister Sheikh Sabah al Khalid Al Sabah in Kuwait City, Kuwait, March 6, 2019. Ministry of Foreign Affairs Office/Handout via REUTERS

Russia's foreign minister Sergei Lavrov is seen during a news conference with United Arab Emirates Foreign Minister Sheikh Abdullah bin Zayed Al Nahyan in Abu Dhabi, UAE, March 6, 2019.

Kuwait Deputy Foreign Minister Khalid Al-Jarallah walks with Russia's Foreign Minister Sergei Lavrov after his arrival in Kuwait, March 5, 2019. Picture taken March 5, 2019. Kuwait News Agency/Handout via REUTERS

Saudi Arabia's King Salman bin Abdulaziz meets with Russia's Foreign Minister Sergei Lavrov in Riyadh, Saudi Arabia March 5, 2019. Bandar Algaloud/Courtesy of Saudi Royal Court/Handout via REUTERS

Saudi Arabia's Minister of State for Foreign Affairs Adel bin Ahmed Al-Jubeir speaks during a news conference with Russia?s Foreign Minister Sergei Lavrov in Riyadh, Saudi Arabia March 4, 2019.

Russia's Foreign Minister Sergei Lavrov speaks during a news conference with Saudi Arabia's Minister of State for Foreign Affairs Adel bin Ahmed Al-Jubeir (not pictured) in Riyadh, Saudi Arabia March 4, 2019.

Saudi Arabia's King Salman bin Abdulaziz shakes hands with Russia's Foreign Minister Sergei Lavrov in Riyadh, Saudi Arabia March 5, 2019. Bandar Algaloud/Courtesy of Saudi Royal Court/Handout via REUTERS

Russia's foreign minister Sergei Lavrov meets with Kuwait's Foreign Minister Sheikh Sabah al Khalid Al Sabah in Kuwait City, Kuwait, March 6, 2019. Ministry of Foreign Affairs Office/Handout via REUTERS