March 5, 2014 12:48 pm Helix HS Students, Staff Warned of TB Case NBC 7’s Elena Gomez reports on the case of tuberculosis that prompted a warning to students and staff members at Helix High School Wednesday. US & World Videos 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season 2:20 Bodies of Missing Men Found in Rubber Bins Inside Storage Unit 1:42 Hundreds of Golden Retrievers Walk a Mile for the Official Boston Marathon Dog 1:51 Typewriter Shop Owner Receives Gift From Tom Hanks