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Restrictions were placed on high-end semiconductors used to power supercomputers and artificial intelligence Washington has imposed restrictions on the sale of certain high-tech computer chips to Russia and China, a number of US media outlets reported on Thursday, citing two major US chipmakers, Nvidia and AMD.

The city has been targeted by Kiev’s forces with heavy artillery and rocket fire, according to local officials Ukrainian forces subjected the city of Donetsk and its immediate vicinity to artillery and multiple rocket launcher fire on Sunday. The attacks left at least three civilians dead and damaged houses and infrastructure, according to local officials.