london lawmakers british prime minister theresa may conservative party try oust leader tell shut senior party members include potential rival boris johnson britain foreign minister others party warn uncertainty may damage brexit negotiations european union may friday say would remain leader former conservative chairman say garner support 30 lawmakers want quit follow disastrous speech party conference early week persistent cough leave may barely able deliver message snap election june may lose party majority parliament senior figure rally round may open rebellion coincide crucial talk european union 18 months britain due leave johnson widely consider serious challenger leadership conservatives may resign call unity accord media report election people feed malarkey newspapers quote say message conservative lawmakers get behind pm ordinary punters speak think speech good anyone cold say circle wagons turn fire opposition labour party leader jeremy corbyn talk nothing except great policies country eu partner step preparations collapse brexit negotiations due fundamental divisions across britain ask even believe britain would risk crash legal limbo march 2019. brussels officials question whether may survive even summit oct. 19 diplomats say governments insist would ease demand help move talk post-brexit transition 27 eu counterparts see either hardline brexiter rival johnson labour opposition corbyn good able rally country behind visions brexit scottish conservative leader ruth davidson possible successor may force campaign hard brexit last year tell bbc prime minister critics put shut get stage would tell party get house order get together knuckle make sure first commitment last commitment commitment country say message come former party chairman grant shapps tour media studios call leadership election shapps say 30 conservative lawmakers back view well short 48 need trigger contest commentators say deep divisions party direction brexit mean rebellion lose momentum despite disquiet may performance leader one conservative lawmaker nigel evans say botch plot appear fizzle within 24 hours would play hand eu chief brexit negotiator michel barnier eu commission head jean-claude juncker may weakness generate concern satisfaction brussels however since fail reach deal london would disrupt economies side english channel barnier team start new week talk british negotiators monday though expectations low breakthrough could prompt leaders open way follow week talk post-brexit free trade deal something london insist priority side underscore hard line among governments include heavyweights germany france britain must settle immediate divorce issue pay brussels tens billions euros open new phase talk envoys tell barnier friday oppose start even tentative exploration transitional arrangements negotiators suggest time tight could useful explore immediate problems come march 30 2019 britain however leaders could still agree let barnier look transition issue depend next week negotiate round diplomats say add low expectations however schedule talk thin previous round public meet plan start barnier brexit secretary david davis negotiations take place wednesday european leaders little watch speculate may ability govern know still interlocutor summit one official say conservative plotters tell get behind uk 's may amid brexit fear