Ethnic minorities were likely to be poorer and so more likely to vote labour
The change
2017, Corbyn had empathy for immigrant communities winning him 49 of 73 seats in Greater London (with a 45% white population). Conservatives did hold 5 of 75 ethically diverse constituencies in 2017
2017 Results

Labour got 73% of votes from ethnic minority and 40% of national vote. Tories got 19% of ethnic minority vote and 42% of national vote
