April 3 (Reuters) - Russia will strengthen its military capacity in its western and northwestern regions in response to Finland's expected accession to NATO on Tuesday, Russian Deputy Foreign Minister Alexander Grushko said, state-owned news agency RIA reported. Russian Defence Minister Sergei Shoigu said last year that Russia was taking "adequate countermeasures" and would form 12 units and divisions in its western military district. Russian Defence Minister Sergei Shoigu said last year that Russia was taking "adequate countermeasures" and would form 12 units and divisions in its western military district