BEIJING, April 23 (Reuters) - London aluminium prices rose by as much as 1.6 percent on Monday as a rally driven by supply concerns after the United States slapped sanctions on Russian producer United Company Rusal regained momentum. The metal had closed down in the previous two sessions but is still up by around 25 percent so far this month. FUNDAMENTALS * LME ALUMINIUM: Three-month aluminium on the London Metal Exchange climbed by 1.6 percent to $2,507.50 a tonne by 0155 GMT, after closing down 0.6 percent on Friday * SHFE ALUMINIUM: The most-traded June aluminium contract on the Shanghai Futures Exchange was down 0.4 percent to 14,970 yuan ($2,378) a tonne. * RUSAL: Russian companies hit by U.S. sanctions, including aluminium giant Rusal, have asked for 100 billion roubles ($1.6 billion) in liquidity support from the government, Finance Minister Anton Siluanov was quoted by Interfax news agency as saying on Friday. * CHILE: Chilean copper commission Cochilco forecast on Friday that Chile would produce 5.76 million tonnes of the red metal in 2018, up 4.3 percent from 2017, while estimating copper prices at $3.06 per pound this year. * GREENLAND: With melting ice expanding access to the Arctic, investors from China to Canada are watching Greenland's election for signs of the political will to get a flagging mining programme on the island back on track. * COLUMN: Sanctions fever grips nickel as market rethinks Russia risk: Andy Home. * For the top stories in metals and other news, click or MARKETS NEWS * Asian stocks started in muted fashion on Monday as investors braced for a bevy of earnings from the world's largest corporations, while keeping a wary eye on U.S. bond yields as they approached peaks that had triggered ructions in the past.