September 22, 2016 7:10 pm Extra Vigilance in South Florida Schools After ‘Less Than Credible' Threat There was extra vigilance in Miami-Dade and Broward schools Thursday after officials said a “less than credible” threat was made to schools. US & World Videos 0:29 DeSantis announces Freedom Month Sales Tax Holiday for Florida families 0:47 Police deploy tear gas, arrest 10 people at USF during protest 1:35 6 to know – Top stories of the day 1:04 Tour bus driver speaks out about inferno on I-595 0:47 Video shows woman hurling bowling ball at another's head in Brickell