"The main issue for me is the continuation of our democracy" says Ken Thompson, 66 year-old voter AFP met in Erie, Pennsylvania, outside of the polling station. "I don't want an autocrat. I don't want someone who is convicted of a felony to be the number one person in our political environment" he adds. The city of Erie is considered key to deciding the state of Pennsylvania, one of the seven battleground states. Election Day voting is underway Tuesday after an extraordinary -- and for many unnerving -- US presidential race that will either make Kamala Harris the first woman president in the country's history or hand Donald Trump a comeback that sends shock waves around the world. IMAGES AND SOUNDBITES