[Police try to stopp protesters who demonstrate against new borders, on their way in the Italian village of Brenner on the Italian-Austrian border, Sunday, April 3, 2016. Austria's defense minister said his country will deploy soldiers at a key Alpine pass to stop migrants arriving from Italy. Hans Peter Doskozil told German daily Die Welt that the move anticipates a shift in migrant flows from the Turkey-Greece route to the central Mediterranean. In an interview published Saturday, the newspaper quotes Doskozil saying that the military can provide "considerable support to border security" at the Brenner pass. ( AP Photo/Kerstin Joensson)]MILAN (AP) — Italian demonstrators clashed with Austrian police on Sunday when they crossed the Brenner Pass border to protest against Austria's plans to enforce controls to limit the passage of migrants.