European stock markets slid at the start of trading on Thursday as traders await the outcome of yet more talks between Greece and its creditors.
London's benchmark FTSE 100 index fell 0.34 percent to 6,821.49 compared with Wednesday's close.
Frankfurt's DAX 30 index lost 0.53 percent to 11,410.62 points and the CAC 40 in Paris shed 0.97 percent to 4,996.63 points.
Greece was holding crunch talks with its creditors on Thursday in a bid to save Athens from default, hours after Prime Minister Alexis Tsipras lashed out at lenders for rejecting his reform plans.
Late-night discussions on Wednesday ended without a breakthrough as Greece's leaders spurned reforms demanded by creditors.
They will try to finalise a deal in time to have it approved at a meeting of eurozone finance ministers later in the day, and then rubber-stamped by national leaders meeting for European Union summit on Thursday and Friday.