FTSE 100 slides and UK gas prices up amid fears strait of Hormuz will be closed for extended periodMiddle East crisis – live updatesBusiness live – latest updatesOil prices have risen sharply and European stock markets have fallen after the US seizure of an Iranian vessel dented hopes for a peac e deal.Brent crude, the international benchmark for oil prices, rose by 4.8% on Monday to $94.69 (£70.07) a barrel. Continue reading... ...read more read less