text: Polling stations opened their doors at 07:00 BST and will close at 22:00.
  Votes are being cast in council elections in Knowsley, Sefton, St Helens and Wirral. In Liverpool, voters will also elect a city mayor.
  Voters across Merseyside will also be asked to choose a police and crime commissioner. In England, elections are taking place for more than 120 councils and the London Assembly.
target: Voting has begun in local elections across Merseyside.