Three more National Party MPs have resigned, but leader Simon Bridges says there's no cause for concern.
Sarah Dowie, Nicky Wagner and David Carter have announced they will not be running in the September election.
Three more National Party MPs have resigned, but leader Simon Bridges says there's no cause for concern.
Amy Adams, Nathan Guy, Maggie Barry and Alastair Scott all announced last year they will not be running.
Wagner and Carter speak to Susie Ferguson.
