brussels eu chief executive jean-claude juncker blast britain failure answer huge number question brexit plan negotiators hold new round talk tuesday divorce due less two years hours chief negotiator michel barnier urge british counterpart start negotiate seriously meet brussels monday european commission president juncker echo bloc refusal discuss future free trade deal london want pencil term leave eu juncker scoff raft british negotiate paper publish summer prime minister theresa may government say show london respond seriously detail proposals agree 27 eu state would like clear read requisite attention paper produce majesty government find none truly satisfactory tell european union envoys gather brussels annual conference huge number question need settle include issue right eu citizens britain britons europe brexit eu-uk border stretch across island ireland say need crystal clear begin negotiations new economic trade relationship uk eu question resolve ... divorce eu uk juncker say mix issue continue barnier say firm instructions 27 governments phase talk even accept issue could fully settle without know trade work first settle past look forward future insist head european parliament antonio tajani join juncker pile pressure london british government must come forward clear position order talk advance say statement tuesday even negotiators begin two full days talk tuesday morning also try settle much britain may owe union departure particularly explosive issue side hope reach kind outline divorce term year give time work transition free trade british negotiators 100 take part five separate forums eu headquarter present legal assessment eu demand juncker say might leave london pay brussels 60 billion euros 72 billion sum may minister dismiss unacceptable despite eu rhetoric britain see ill-judged government officials play tensions describe monday hour-long meet barnier brexit secretary david davis cordial constructive may spokeswoman say britain feel good position negotiations want agree european union move discussions future relationship october eu leaders next hold summit believe good position would like move discuss future relationship may spokeswoman tell reporters believe need eu show imagination flexibility come discussions say seek agree october council move talk future relationship davis due back brussels late wednesday hold final news conference barnier thursday sum result third formal round talk juncker blast britain 'huge unanswered brexit question