** Shares of British private hospital group Spire Healthcare SPI.L up 6.40% at 189.4 pence, top gainer on London's mid caps index .FTMC, which is up 0.62%
** Sky News reported on Thursday that buyout firm Bridgepoint BPTB.L is drawing up proposals for a formal offer of more than 1 billion pounds ($1.34 billion) for SPI
** Report says BPTB intends to make a 230 pence per share bid for SPI
** Up to Thursday's close, stock had risen 6.59%, compared with a 3.46% YTD decline in FTMC
($1 = 0.7445 pounds)
(Reporting by Simone Lobo in Bengaluru)
((Simone.Lobo@thomsonreuters.com, +919920570373))