June 23, 2017 9:25 am US Mayors Conference Begins in Miami Beach NBC 6’s Julia Bagg has a preview of what mayors from across the country will be discussing when they arrive in South Florida. US & World Videos 1:32 6 to Know — Top stories of the day 1:46 Broward Sheriff's deputy hits man with vehicle while responding to call 2:31 Family returns to crash site that killed two women in Hialeah 2:04 Family calls for justice after deadly crash in Hialeah 2:55 Activists demand justice after transgender woman's beating death in Miami Beach