UPDATE 1-Ant Financial agrees to buy UK-based currency exchange WorldFirst

* Deal value not disclosed; FT had said it could be 700 mln
pounds

JEFFREY LIPTON in BARBADOS – http://feeds.reuters.com/~r/reuters/companyNews/~3/pqZzgk862Uw/update-1-ant-financial-agrees-to-buy-uk-based-currency-exchange-worldfirst-idUSL3N2093IP