Russia's Lavrov says aim for Astana talks is consolidating Syria truce

MOSCOW (Reuters) - The aim for upcoming peace talks on the Syria crisis in Astana, Kazakhstan, is to consolidate a ceasefire and involve opposition field commanders, Russian Foreign Minister Sergei Lavrov said on Tuesday. Lavrov also told a news conference that more opposition militants had the right to join the ceasefire and that many had asked to do so. (Reporting by Vladimir Soldatkin and Andrew Osborn; Writing by Alexander Winning and Katya Golubkova; Editing by Christian Lowe)