The first polls have closed in the razor-close presidential contest between Kamala Harris and Donald Trump, but it could be days before a winner is declared as voters continued to line up in states across the United States to cast their ballots. Voting ended at 6 pm (2300 GMT) at some polling places in the states of Indiana and Kentucky. In other parts of the two states, both of which former Republican president Trump is expected to win, residents have an hour longer to vote. For months, the two candidates’ campaigns have focused on the seven swing states that will almost surely decide the ele…