Support WBURA New Law In Latvia Aims To Preserve National Language By Limiting Russian In SchoolsPlay03:55Download AudioLucian KimOctober 28, 2018 ShareMore than a third of Riga's population is Russian; the rest are Latvian, Lithuanian, Belarusian, Polish and Ukrainian. Russian often serves as a linguistic common denominator in the Latvian capital. (David Keyton/AP)