Iran has sentenced two American hikers, detained in the Islamic republic, to eight years in prison on charges of "illegal entry" and "espionage", reported Iran's state television website.<br /><br />They were arrested more than two years ago and have been charged with spying and illegal entry.<br /><br />The men say they were hiking along the Iraq-Iran border and strayed into Iran by accident.<br /><br />Al Jazeera's Monica Villamizar reports from Washington.