Western sanctions on technology exports to Russia have largely failed as a third of its imports used to make new weapons come from Western companies, usually via the “friendly countries”, Kyiv School of Economics (KSE) said in its latest report. Foreign-sourced critical battlefield components worth $7.3bn have arrived from companies based in the US and its allies last year, KSE estimates. Most of the technology is arriving via countries that have refused to participate in the Western-led sanctions on Russia and have maintained commercial ties with Russia. Thetechnology sanctions have largely f…