FTSE 100 Index suffers its biggest one-day fall since 1987
Nearly £150 billion has been wiped off London's top index as markets.
Nearly £150 billion has been wiped off London's top index as markets.
An oil price war has sent stock markets across the world plunging at a time they were already suffering due to the effects of coronavirus.
More than £210 billion has been wiped off the value of shares in London's FTSE 100 since the start of the week.