ASIA July 21, 2017 7:15 pm Helicopter Crash Injures 4 People Four people were injured during an emergency helicopter landing in Sherman Oaks. Mekahlo Medina reports for the NBC4 News at 6 p.m. on Friday, July 21, 2017. US & World Videos 0:45 Lakers fire head coach Darvin Ham 1:12 5 things to know about Tom Thibodeau 1:04 Metro warns of possible delays due to sickout 0:31 Long spear found at murder scene in Santa Ana 3:12 First Alert Forecast: Rain this weekend