Campaigners warn plans to build an underwater cable linking Kent and Suffolk would be a “death warrant” for protected wildlife.

Power firm National Grid is seeking permission for the cable, which has attracted concerns from campaign groups and councils in the county about damage to the countryside and natural environment.

National Grid's Sea Link has progressed with the submission of a development consent order application to the planning inspectorate. The project, which is intended to bolster the grid to meet soaring ...