disruption

The bridge closed at 14:00 BST on Saturday on orders of the Welsh government, with Transport Secretary Ken Skates apologising for the disruption.

"However, with further disruption possible, passengers due to fly today should keep in touch with their airline for latest updates on the status of their flight."

But recoveries from other refinery disruptions have been shorter, with a much smaller effect on the market.

April's outage caused significant disruption for nearly a day when it plunged areas into darkness, cutting internet and telephone connections and halting transport links.

Hundreds of schools have closed and events have been cancelled as Storm Amy brings disruption to Northern Ireland and Scotland.