Tesco's chief executive Philip Clarke has said that the supermarket's results reflect "challenges" in a rapidly changing trading environment.
Our results today reflect the challenges we face in a trading environment which is changing more rapidly than ever before. We are determined to lead the industry in this period of change.
Having strengthened the foundations of our business in the UK, we are now accelerating our growth in new channels and investing in sharper prices, improved quality, stronger ranges and better service.
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Sunday will be a fine day across much of Scotland and northern England, with much less coastal mist and low cloud than yesterday.
A spokesperson said the lightning strikes had left the "aircraft fuelling system unavailable."
Nearly 1,000 properties have been left without power, and road users have been warned of potentially hazardous conditions.