The U.S. Embassy in Berlin said on Friday it had closed a day care center and received added police protection for local schools attended by Americans after telephone threats that mentioned children. A spokesman for the embassy in Berlin said they had received a number of threatening phone calls, apparently from the same person on Friday and the caller explicitly mentioned children. “The calls were threatening and children were mentioned,” said a spokesman for the embassy, a heavily guarded building in the center of Berlin where about 500 Americans and Germans work. “We notified the Berlin police and all the schools that have large numbers of American children were given additional protection,” he added. A day-care center affiliated with the embassy was closed and embassy staff were told of the threats. Full Story