The FTSE 100 index fell 60.6 points, or 1%, to 5,829 points today, led by a shutdown at BP's Alaskan oil field.
BP dropped 2.12% to 622.5p after confirming it had closed the Prudhoe Bay oil field in Alaska after discovering one of the pipelines was damaged.
The news had the price of oil shooting back up again, with the US September contract up $1.64 to $76.40 a barrel, having climbed nearly $2 earlier in the session.
Royal Dutch Shell and BG Group barely moved, caught between sympathy for BP and cheer over rising crude prices. Shell ended flat at 1,935p while BG declined 0.07% to 729.50p.
BHP Billiton fell 2.62% to 1,003p as it faced a strike at Chile's Escondida copper mine in which it holds a majority stake.
Vedanta also declined 2.93% to 1,257p, while Rio Tinto fell 1.39% to 2,767p and Kazakhmys dropped 1.69% to 1,223p.
In the US, the Dow Jones industrial average is down 31.94 points, or 0.2%, at 11,208.41 points after the spike in oil prices added to worries about slowing economic growth a day before the Federal Reserve sets interest-rates.
Shares of 3M have fallen 0.7% to $68.94 and Boeing has dropped 0.6% to $79.
El Paso has fallen 5% to $14.79 after the natural gas producer and pipeline company posted a second-quarter profit on Monday, but its exploration and production earnings weakened.IFAonline
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