Alex Pretti had been injured in a scuffle with federal agents in Minneapolis just one week before he was shot dead, it has emerged. Pretti, 37, was left with a broken rib after being tackled by a group of officers during a protest against Donald Trump's immigration crackdown, a source told CNN. The alleged assault occurred after Pretti stopped his car after seeing Immigration and Customs Enforcement (ICE) officers chasing a family on foot, the insider said. Pretti allegedly began shouting and blowing a whistle, and was then tackled to the ground by five agents. The source claimed one officer...