Leading figures from the energy sector are calling for 'urgent action' following warnings the UK's electricity supply's set to be tighter this winter than last.

The National Grid's putting that down to rising demand and capacity constraints, as prices continue to rise.

But in another report, it insists there shouldn't be any disruption to supply.

Business Secretary and MP for Spelthorne Kwasi Kwarteng's been addressing the situation at Energy UK's annual conference.