Keir Starmer has said that oil and gas will be used in the UK "for many, many years" after unions raised concerns about Labour's energy plans.
GMB general secretary Gary Smith had warned in an interview with the Daily Record that Scottish Labour will lose seats over a “stupid” and “catastrophic” ban on new North Sea oil developments.
The Edinburgh-born trade union leader said knocking back all future license requests would hit jobs and be seen as an “attack” on Scotland.