Mr Lavrov said he had spoken to US Secretary of State John Kerry on the telephone about the plan on Monday.
Mr Lavrov said the Russian initiative was "not a purely
Russian initiative... It grew out of contacts we've had with the
Russian President Vladimir Putin and US President Barack
Obama discussed the idea on the sidelines of a G20 summit last week, Mr
Putin's spokesman said on Tuesday.
Mr Lavrov noted Mr Obama's suggestion in a US TV interview that this may be a "breakthrough".
Overnight, Mr Obama said the Russian proposal could be a
breakthrough. He is to hold working lunches with senior senators on
Tuesday and his prime time television address is still scheduled to go
ahead in the evening.
The White House said Mr Obama still planned to use the
address to argue that Congress should authorize the use of force if
TO ALL THOSE OBAMA doubters