His Majesty King Hamad bin Isa Al Khalifa sent a cable of congratulation to the President of the United States Barak Obama marking his country\'s Independence Day, hailing the strong friendly ties linking both countries at various fields. His Royal Highness the Prime Minister Prince Khalifa bin Salman Al Khalifa and His Royal Highness Prince Salman bin Hamad Al Khalifa , the Crown Prince and Deputy Supreme Commander also sent similar cables to US President Barak Obama marking this national event.