Border controls along all of Germany’s frontiers will be targeted to “combat cross-border crime and further limit irregular migration,” the Interior Ministry said on Sunday, a day before the expanded measures take effect. Neighbouring states have expressed concern that the border checks will lead to tailbacks, hampering regular cross-border traffic. The measures were announced last week amid a caustic German debate on migration triggered by a spate of recent attacks. The police will carry out the spot checks “flexibly and according to current security requirements,” the Interior Ministry said….