Manama, His Royal Highness Prince Salman bin Hamad Al Khalifa, the Crown Prince and Prime Minister, today sent a cable of congratulations to the President of the Federal Democratic Republic of Ethiopia, HE Sahle-Work Zewde, on Derg Downfall Day.HRH the Crown Prince and Prime Minister sent a similar cable to the Prime Minister of Ethiopia, HE Dr. Abiy Ahmed Ali.Source: Bahrain News Agency