Reported threats were being investigated at multiple Broward schools on Friday following the arrest earlier this week of a student accused of reporting a fake shooting threat, officials said. Broward Sheriff’s Office officials said they’re investigating a rumor circulating among students and on social media regarding a possible threat to Tequesta Trace Middle School in Weston. “At this time, BSO detectives do not believe the threat is credible; however, we are following u...