US petrol prices have reached all-time highs following an explosion and fire at a refinery in Texas.
Americans have been used to very low petrol prices
The blaze at the BP plant in Texas saw the price of unleaded gasoline hit a record $1.7768 a gallon on the New York Mercantile Exchange.
US petrol prices were already high because of a lack of stocks and concern that Opec - meeting on Wednesday - will stick to plans to cut production.
The fire is not believed to have been caused by "any outside influence".
US unleaded gasoline's previous record high was $1.7750 in May 2001.
A BP spokesman said of the explosion at the plant in Texas City, south of Houston: "We have no indication of any outside influence on the
Like all oil companies in the US, BP has been maintaining high security at its Texan refineries after the FBI warned on March 25 of an unsubstantiated threat
of an attack.
BP said the exact cause of the explosion at the 447,000 barrel-per-day refinery was as yet unknown, but that no one had been injured.
Flames from the explosion could be seen up to two miles away from the facility, which is the third largest refinery in the US.