Banking, airline and property shares plunge in London
EasyJet stock fell over 16 per cent after the company issued a profit warning, while British Airways parent IAG's shares were down 9.4 per cent at around 0900 GMT.
Royal Bank of Scotland shares plunged more than 15 per cent, Lloyds by 8.9 per cent and Barclays by 10.2 per cent.
Among property shares, Taylor Wimpey fell 12.4 per cent.
The key FTSE-100 index was down 1.3 per cent.