Doha: HH the Amir Sheikh Tamim bin Hamad Al-Thani sent on Sunday a cable of congratulations to HM Sultan Haitham bin Tariq of the sisterly Sultanate of Oman on the anniversary of his country's National Day. According to Qatar News Agency, this gesture by HH the Amir reflects the close ties and mutual respect between Qatar and Oman. The cable was part of a series of diplomatic communications marking the important occasion for Oman, underscoring the friendship and cooperation between the two nations.