Mafia bosses have 'declared war' against migrants on the holiday paradise of Sicily as one thousand new arrivals pour on to the island every week. The feared Cosa Nostra are desperate to maintain supremacy after African crime gangs arrived with the migrants - and they are engaged in a deadly turf war. An innocent Gambian man was shot through the head by an assassin in broad daylight sparking fears of a wider bloodbath. Mayor Leoluca Orlando told MailOnline: 'Palermo is no longer an Italian town. It is no longer European. You can walk in the city and feel like you’re...