Britain's industrial production fell by more than expected in December, largely due to the impact of the closure of the Forties oil pipeline, the UK Office for National Statistics (ONS) said on Friday.
Industrial output fell 1.3% in the final month of 2017, after a monthly rise of 0.3% in November and was worse than forecasts of a 0.9% fall.
The annualised rate of output from all industrial sectors in December flatlined after a robust annual rate of 2.6% growth in November. Analysts had expected a rate of 0.3% in December.
Mining and quarrying - which includes oil production - was the biggest contributor to the fall, down 4.7%, caused mainly by the shut-down of the Forties oil pipeline for a large part of December, the ONS said.
"We would strongly caution about reading too much into these figures," said Paul Hollingsworth at Capital Economics.
"Overall production was distorted by the closure of the Forties pipeline, with oil and gas extraction the only sector to see decline."
Construction was also weaker, reflecting steep downturns in commercial building and civil engineering projects. Output rose 0.4% in November, but fell 2% on a three month basis - the largest such decline since 2012.
British industry was supported strongly by the manufacturing sector, however, as output rose by a monthly 0.3%, up from 0.2% in November, and matching analysts' expectations.