Intensifying her attack on Donald Trump, Democratic presidential nominee Hillary Clinton has said her Republican rival is unfit and unqualified to become the next US president.<br/><br/>A week ahead of the next general election, Clinton made a strong case for her presidency citing her work experience over the last three decades.<br/><br/>In Dale City, west of Orlando in Florida, which is a key battleground State for the November 8 general elections, Clinton said, after one week, US will be choosing the next President and commander-in-chief of the United States. Clinton spend her entire day in Florida yesterday campaigning and also addressed three rallies in the State.