Syria. On 16 March 2019, he was convicted in Turkey of membership in a terrorist organisation and sentenced to seven and a half years in prison. In early December 2022 Prakash was extradited back to Australia and charged in Melbourne Magistrates' Court with terrorism-related offences. He was due to reappear in court in late February 2023. Sydney Five Khaled Cheikho, Moustafa Cheikho, Mohamed Ali Elomar, Abdul Rakib Hasan and Mohammed Omar Jamal were found guilty of conspiring to commit a terrorist act or acts. They were jailed on 15 February 2010 for terms ranging from 23 to 28 years. Benbrika Group in Melbourne In September 2008, of an original nine defendants, five men including the Muslim cleric, Abdul Nacer Benbrika were convicted of planning a terrorist attack. During the trial, the jury heard evidence of plans to bomb the 2005 AFL Grand Final, 2006 Australian Grand Prix and the Crown Casino, as well as a plot to assassinate then Prime Minister John Howard. Despite Benbrika having completed his sentence on 5 November 2020, the Department of Home Affairs applied to the Victorian Supreme Court to keep him detained, and he was, under an interim order from the court. Holsworthy Barracks terror plot On 4 August 2009, four men in Melbourne were charged over the Holsworthy Barracks terror plot, an alleged plan to storm the Holsworthy Barracks in Sydney with automatic weapons; and shoot army personnel or others until they were killed or captured. The men are allegedly connected with the Somali-based terrorist group al-Shabaab. Prime Minister Kevin Rudd subsequently announced a federal government review of security at all military bases. In December 2011 Justice Betty King sentenced three of the men to 18 years in prison with minimum terms of 13 1/2. She said that they were all "unrepentant radical Muslims and would remain a threat to the public while they held extremist views". 2015 Anzac Day terror plot Sevdet Besim was arrested on 18 April 2015. Aged 18 and born to parents of Albanian origin, he planned to drive a car into and kill, then behead, a law enforcement officer on Anzac Day in Melbourne. He was subsequently sentenced to 15 years' imprisonment on 5 September 2016. 2017 airline bombing plot In July 2017, Australian police thwarted a plot to bomb an airliner. In Sydney, four men were arrested by the Australian Federal Police and their properties were searched.