WASHINGTON (Reuters) – U.S. Secretary of State Antony Blinken said on Friday he pressed Russian Foreign Minister Sergei Lavrov to accept a U.S. proposal for the release of detained Americans Brittney Griner and Paul Whelan. Blinken said he had a “frank and direct” conversation with Lavrov earlier on Friday, and told his counterpart that Russia must fulfill commitments it made as part of deal on the export of grain from Ukraine and that the world would not accept Russian annexation of Ukrainian territory. (Reporting by Humeyra Pamuk, David Brunnstrom and Simon Lewis; Editing by Chris Reese)