The United States warned its citizens against visiting the tourist destination of Gambia today. The US told those there to considering leaving, citing the risk of unrest as President Yahya Jammeh digs in despite losing an election.'<br/>'<br/>The US Department's statement on its website said the supreme court hearing on January 10 of Jammeh's challenge to the result that elected his rival Adama Barrow was a potential flashpoint for violence.<br/>'<br/>US citizens should consider departing on commercial flights and other transportation, the statement said.