Brent crude benchmark rose to more than $80 a barrel, its steepest increase since ceasefire began

Oil markets have recorded their sharpest price rise in nearly two months after a series of attacks on fossil fuel tankers near the strait of Hormuz led Donald Trump to declare that the ceasefire deal with Iran was over.

At the same time, UK short-dated bonds suffered their worst day since the end of March as the prospect grew of a Bank of England rate rise to cope with the renewed inflationary pressures.

The yield or interest rate on two-year gilts rose 15 basis points to 4.35% with a rate rise in November fully priced in and a 50% chance of another in December. The market gave a 75% chance to one rate increase by the end of the year earlier this week.