People protest in New York City on Saturday. atthew Hoen/ZUMA Press Wire/ShutterstockPeople protest in New York City on Saturday. atthew Hoen/ZUMA Press Wire/ShutterstockLarge protests spread across US after Alex Pretti fatally shot by federal agentsWave of demonstrations comes a day after thousands marched through Minneapolis streets to protest ICELarge protests spread across US cities on Saturday – including Minneapolis, New York City, San Francisco, Boston and Providence, Rhode Island – after 37-year-old Alex Pretti, a registered nurse living in Minneapolis, was shot dead by federal agents. The wave of demonstrations come just one day after thousands marched through the streets of Minneapolis to protest against US Immigration and Customs Enforcement (ICE).