July 9, 2019 8:05 am 6 Things to Know: Tuesday, July 9 Here are the top headlines from NBC 6: US & World Videos 0:20 Video shows boaters dumping trash into the ocean 3:04 5 people including 2 teens injured in Miami Gardens shooting after school fight 1:23 Video shows security guard grab gunman who opened fire at Florida party 2:36 Large federal investigation into suspects in Homestead woman's fatal abduction 0:34 Shooting investigation underway in Miami Gardens neighborhood