Although cast as "constructive" talks, the Russian foreign minister maintained that Russia would "respect the will of the people of Crimea."
The U.S., G7, and Ukraine are among many in the international community who view the upcoming Crimean referendum as a violation of Ukraine's constitution. The Crimean parliament put forth the referendum -- to be held Sunday -- to determine whether Crimea remains a part of Ukraine or secedes to join Russia.
Lavrov told reporters after his meeting with Kerry in London that Russia does not intend to invade southeastern Ukraine.
Notable deaths of 2014 [PHOTOS]