NEW YORK (Reuters) - Russian Foreign Minister Sergei Lavrov and U.S. Secretary of State Rex Tillerson discussed cooperation on the Syrian crisis, Middle East issues, and the agreement to bring peace to Ukraine in a meeting on Sunday, Lavrov s spokeswoman said. Spokeswoman Maria Zakharova said  the meeting was on cooperation in Syria crisis, Middle East issues and Minsk agreement . No other details were immediately available. The top Russian and U.S. diplomats met in New York on the sidelines of the United Nations General Assembly. 