brussels european union leaders appeal unity last-ditch effort break deadlock share refugees june tell reluctant eastern state could otherwise outvote dispute shake bloc foundations come fraught discussion among 28 eu leaders go small hours friday morning brussels rival two-year-old dispute stick gun hem expectations raise voters mediterranean frontline state italy greece rich destination countries include germany sweden belgium france luxembourg netherlands demand countries host refugees way demonstrate solidarity four ex-communist peer poland slovakia hungary czech republic refuse accept people mostly-muslim middle east north africa say would threaten security raft islamic attack europe areas solidarity something find unacceptable german chancellor angela merkel tell reporters one point two days talk brussels cameras catch merkel bloc paramount national leader appear become agitate talk leaders chairman donald tusk make displeasure clear come tusk former prime minister poland come strongly ineffective highly divisive obligatory refugee quotas ruffle feather state back well executive european commission manner principle solidarity question undermine discussion refugee issue future europe greek prime minister alexis tsipras tell reporters call intense talk tusk say ineffectiveness relocation scheme demonstrate fact 35,000 asylum seekers transfer greece italy 2015 plan mean move 160,000 people mandatory quotas remain contentious issue tusk tell joint news conference commission head jean-claude juncker disagreement two play visibly despite usually friendly rapport relocation solution issue illegal migration compromise possible appear hard try best say stress bloc full agreement make efforts tighten border chip development migration-related project middle east africa seal deal ankara 2016 cut arrivals turkey eu state greece bloc push stem african immigration italy libya tusk dutch prime minister mark rutte leaders say want make permanent finance available activities bloc next long-term budget 2021. feud share burden care refugees still make europe weaken bloc cohesion undermine member state trust time need unity face brexit many months let open wind fester backers quotas make clear want move would vote broad reform bloc asylum system majority compromise acceptable find june relocation fan qualify majority decision-taking ... use juncker say colleagues openly say yesterday night progress propose qualify majority decision-making procedure would inevitably deepen divisions eu four eastern state warn bloc would shoot foot go track proposal eu table asylum reform recently update estonia attempt bridge divide propose relocation asylum-seekers one eu state another obligatory time extremely high arrivals would fact take place involve agree voluntarily term diplomats brussels hop italy would will compromise hold elections likely march say germany could reassume lead file form rule coalition follow election last september senior eu diplomat one pro-quota countries say would seek break unite front four eastern state bring number countries would eventually defeat vote everything else fail eu give june deadline deal refugees