Merkel's coalition on the brink over migration stand-off

German Chancellor Angela Merkel's governing coalition was at risk of collapse Sunday as her conservative allies rejected an EU-wide deal she struck last week to reduce migration, escalating a crisis that has poisoned the country's politics for weeks.Merkel's centre-right CDU and their hardline Bavarian CSU allies gathered at separate meetings in Berlin and Munich during the afternoon to mull their next moves, with CSU leader and interior minister Horst Seehofer expected to announce either a comp