November 5, 2015 4:15 pm ‘Secret Hero' Doctor Leaps Into Action to Help Man Hit by Bus Moments after a Greyhound bus struck a man, pinning him underneath, Dr. Colleen Kivlahan went to his aid. News4’s Tom Sherwood spoke with her on Thursday, Nov. 5, 2015. US & World Videos 5:49 Kelly Clarkson hilariously attempts handmade pasta with chef Evan Funke 1:36 O.J. Simpson's cause of death revealed 2:03 Does Shakira still believe in love following Gerard Piqué split? 2:36 Super dad makes Mario-themed obstacle course for son's birthday 1:59 Ellen DeGeneres jokes about being ‘kicked out of show business'