MIGRANTS attempting to march across Europe have been waving placards saying ‘open or die’ after being stopped by closed borders and barbed wire.A group of men waving the menacing home-made banner grew angry as they were stopped in their tracks at the border between Macedonia and Greece. Macedonia is the latest country to erect a border fence. The tiny, landlocked state has begun building a fence along its border with Greece, blocking a key transit route for migrants travelling from Turkey to northern and western Europe. Macedonia insists it will allow those fleeing war-zones to continue to pass through, meaning...