LONDON (Reuters) - Uber should no longer treat its drivers as self-employed, a British tribunal ruled on Friday, in a decision which threatens the taxi app's business model by forcing it to pay the minimum wage and offer holiday entitlement.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=OJgL-TanVS4:rcGYxgzP4Gc:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?d=yIl2AUoC8zA" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=OJgL-TanVS4:rcGYxgzP4Gc:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=OJgL-TanVS4:rcGYxgzP4Gc:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=OJgL-TanVS4:rcGYxgzP4Gc:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=OJgL-TanVS4:rcGYxgzP4Gc:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/OJgL-TanVS4" height="1" width="1" alt="" />