Grease Monk-eh!

• Oil briefly tumbles below $100 a barrel. That’s good news for gas prices Source: CNN

• Russia has requested military and economic assistance from China, US officials say • Opinion: What keeps China from stopping Russia’s war Source: CNN

Almost three weeks after Russia launched its invasion of Ukraine, its forces are expanding their offensive to the west of the country. Here are five important developments from this weekend. Source: CNN

Source: CNN

Full coverage on Ukraine | CNN lite site | Photos CNN audience has raised more than $4.9 million: How to help Source: CNN

• Washington warns Beijing of dangers of Russian support • Opinion: What keeps China from stopping Russia’s war • Russia is trying to install pro-Kremlin officials in occupied cities, but Ukrainians are fighting back Source: CNN

CNN political and national security analyst David Sanger discusses new reporting that suggests Russia has asked China for military and economic assistance for its invasion of Ukraine, according to conversations CNN had with two US officials. Source: CNN

• Opinion: The flaw in Putin’s strategy Source: CNN

Help Ukrainians | CNN lite site | Photos Source: CNN

• Why have women been so disproportionately affected by Covid-19? Source: CNN