All sweetness and light for Labour? Well not quite, argues BBC polling guru John Curtice.

He notes Wakefield win more about Tory vote drop (17%points) then Labour vote rise (8%points)

Adds Ed Miliband oversaw 10 by-elections where Labour vote share rose 8%points+. Then he lost.

— Ben Riley-Smith (@benrileysmith) June 24, 2022