Three-day ceasefire in Ukraine that was unilaterally declared by Russian President Vladimir Putin last month was set to come into effect at 5 p.m. ET on Wednesday (midnight Moscow time), as Russia prepares to mark the anniversary of its World War II Victory Day on Friday.

The Trump administration has said it wants to pull apart Russia and China, but the two countries need each other too much.

Chinese President Xi Jinping arrives in Moscow for a pivotal four-day visit, joining President Vladimir Putin as the chief guest for Russia’s grand Victory Day celebrations marking 80 years since Nazi Germany’s defeat in WWII.