Monday 23 October 2017:Oil prices moved higher again on Friday on concerns over the evolving situation in Iraq where the Kurdish city of Kirkuk and its surrounding oilfields were taken by Iraqi forces

Friday 20 October 2017:Brent crude eased by 92 cents a barrel to close at $57.23 a barrel, while WTI settled at $51.29 shedding 75 cents

Monday 23 October 2017:Increased demand and lower Norwegian imports saw the UK gas system running a slight deficit on Friday morning but mid-range storage withdrawals later saw the system balance

Monday 23 October 2017:The spot price retained a day-on-day gain of 1.20p but remaining prompt prices, all fell into negative territory with the week ahead for this week shedding 0.60p