President Vladimir Putin is open to peace in Ukraine and intense work is going on with the United States, but the conflict is so complicated that the rapid progress that Washington wants is difficult to achieve,

Kremlin spokesperson Dmitry Peskov warned Wednesday that "a whole series of nuances" needs to be addressed before Russia will agree to any U.S.-brokered peace deal.

Moscow understands US wants to achieve quick results in Ukraine peace talks, but root causes of conflict 'too complex' to be resolved overnight, says spokesman - Anadolu Ajansı