(ANSA-AFP) - FRANKFURT AM MAIN, SEP 16 - Germany will from Monday expand border controls to the frontiers with all nine of its neighbours to stop irregular migrants in a move that has sparked protests from other EU members. Berlin announced the sweeping measure following a string of deadly extremist attacks that have stoked public fears and boosted support for the far-right Alternative for Germany (AfD) party. Interior Minister Nancy Faeser on Sunday said that the step aimed to limit irregular migration and "put a stop to criminals and identify and stop Islamists at an early stage". The border controls will be in place for an initial six months and are expected to include temporary structures at land crossings and spot checks by federal police. Poland and Austria have voiced concern and the European Commission has warned that members of the 27-nation bloc must only impose such steps in exceptional circumstances. (ANSA-AFP).