Greens and Plaid Cymru pledge to push Labour on climate, housing and poverty

Election campaigns kick off with policies on single market, climate crisis, NHS and clean seas

Plaid Cymru and the Green party have launched their election campaigns, focusing on issues ranging from offshore windfarms' profits to initiatives for improving water and air quality.

The parties, which hope to win about four seats each, vowed to keep a Labour government in check and to push the party's leader, Keir Starmer, to be bolder in areas such as health, housing and the environment.