government. The next day, President of the STC Aidarus al-Zoubaidi announced a state of emergency in Aden and that "the STC has begun the process of overthrowing Hadi's rule over the South". On 1 August 2019, General Munir Al Yafi the serving commander of the STC was killed in a Houthi-missile strike alongside dozens of Yemeni soldiers in a military camp in western Aden. Later that month, the STC took control of Aden, and in April 2020 they declared self-rule. On 30 December 2020, the undersecretary of labour and deputy minister of public works were killed along with between 20 and 30 others at the Aden airport while they conducted an international press briefing about their new arrangements with the STC, which includes the partition of forces inside Aden, as they returned from hiding in the Saudi capital. Prime Minister Maeen Abdulmalik Saeed, his ministers and his entourage were conducted to safety under the barrage of hostile fire. Main sites Aden has a number of historical and natural sites of interest to visitors. These include: The historical British churches, one of which lies empty and semi-derelict in 2019. The Zoroastrian Temple The Cisterns of Tawila—an ancient water-catchment system located in the sub-centre of Crater Sira Fort The Aden Minaret Little Ben, a miniature Big Ben Clock Tower overlooking Steamer Point. Built during the colonial period, this was restored in 2012 after 3 decades of neglect since the British withdrawal of 1967. The Landing Pier at Steamer Point is a 19th-century building used by visiting dignitaries during the colonial period, most notably Queen Elizabeth during her 1954 visit to the colony. This building was hit by an airstrike in 2015 and is currently in the process of being restored in 2019. The Crescent Hotel which contained a number of artifacts relating to the Royal Visit of 1954 and which currently remains derelict as a result of a recent airstrike. The Palace of the Sultanate of Lahej/National Museum—The National Museum was founded in 1966 and is located in what used to be the Palace of the Sultanate of Lehej. Northern forces robbed it during the 1994 Civil War, but its collection of pieces remains one of the biggest in Yemen. The Aden Military Museum which features a painting depicting the 20 June 1967 ambush by Arab Police Barracks on a British Army unit when a number of the 22 soldiers killed that