LONDON, March 13 (Reuters) - A sharp cut to the profitoutlook of struggling retailer Wm Morrison sparked amajor sell off in the shares of British retailers on Thursday,wiping billions of pounds off the value of the sector.
Shares in Morrisons fell 10 percent, while rival Sainsbury's fell 6.7 percent, market leader Tesco slumped4.1 percent and Marks & Spencer lost 1.7 percent.
(Reporting by Kate Holton; editing by Paul Sandle)