A teenager armed with a baseball bat who tried to stop the Melbourne car rampage says he's not a hero because he couldn't save the five people who died. Tevita Mahina, 17, was filmed running into the middle of the road outside Flinders Street Station as Dimitrious Gargasoulas, 26, drove screeching doughnuts around the busy intersection. Moments later, the crazed driver sped down Bourke Street mall mowing down dozens of pedestrians, killing five people and injuring 37 others. 'I didn't save anyone so I don't feel like a hero,' he told Daily Mail Australia after the video of his actions...