TOPSHOT - German Chancellor and leader of the Christian Democratic Union (CDU) Angela Merkel looks on prior to a party leadership meeting at the CDU headquarters in Berlin, on July 2, 2018. Chancellor Angela Merkel's ruling coalition risked breaking apart July 2, 2018, as her hardline conservative Bavarian allies vowed a final attempt at a deal on migrant policy after she was unmoved by her interior minister's threat to resign. / AFP PHOTO / John MACDOUGALL