Deputy Secretary of the US Treasury Wally Adeyemo has reportedly warned Raiffeisen Bank International in writing that its access to the US financial system could be curbed because of its continuing presence in Russia, Reuters reports, citing unnamed sources. In particular, RBI was reportedly warned over its controversial Strabag deal, since scrapped under heavy pressure. To double down on the threats, the Treasury has now sanctioned companies related to RBI’s asset swap deal that allegedly involved sanctioned Russian oligach Oleg Deripaska. RBI is under heavy regulatory pressure to come up wit…