NEW : The Quartet urges all governments to discourage additional flotillas . The captain of The Audacity of Hope has been arrested , Greek authorities say . The Gaza citizen is accused of disobeying authorities and putting passengers at risk . `` This is intimidation , '' she said . His ship is one of one in a flotilla meant to challenge Greek 's blockade of U.S. .
NEW : The Quartet urges all governments to discourage additional flotillas . The captain of The Audacity of Hope has been arrested , Greek authorities say . The Gaza citizen is accused of disobeying authorities and putting passengers at risk . His ship is one of one in a flotilla meant to challenge Greek 's blockade of U.S. .