BERLIN has ordered Chad's ambassador to Germany to leave the country within 48 hours in response to a similar move by the Central African country last week, the foreign ministry said. "In response to the unfounded expulsion of our Ambassador to Chad, we today summoned the Chadian Ambassador in Berlin, Mariam Ali Moussa, and called on her to leave Germany within 48 hours. We regret that it had to come to this," the ministry said in a tweet. Germany's ambassador to Chad, Gordon Kricke, was expelled from the country last week. The Chadian Communications Ministry said that the decision was a…