Timeline of Ibrahim Halawa's detention
August 13, 2013: Ibrahim Halawa, then aged just 17, is arrested in Cairo by Egyptian security forces.
Ibrahim, along with his sisters Somaia, Fatima and Omaima, were involved in a protest against the removal of the country's president, Mohamed Morsi.
November 2013: His three sisters return to Ireland after being released from Egyptian custody. They were also acquitted during yesterday's court proceedings.
August, 2014: Ibrahim is transferred to the notorious Tora prison ahead of his pending trial involving almost 500 defendants.
March 2015: Trial hearings finally begin, after being postponed on five occasions.
June 2015: Reports emerge that Ibrahim is on hunger strike in protest against his continued detention, and the conditions at the Tora prison.
November 2015: Ibrahim writes a series of letters to his family in Dublin, which reveal the inhumane treatment the Irish national and his fellow inmates are being subjected to.
January 9, 2016: Then foreign affairs minister Charlie Flanagan expresses his concern for Ibrahim following the 12th adjournment of his trial.
January 2017: A delegation of eight TDs visits him in prison. They promise to advance the case for his release during meetings with Egyptian authorities.
April 2017: A judge states that he is considering releasing Ibrahim on humanitarian grounds. It comes after reports that the Dublin man has been refusing food while suffering a heart complaint and skin disease.
He collapsed just days previously and had also been suffering from dehydration and vomiting.
August 28, 2017: A verdict was due in the Irish man's trial. However, to great disappointment, it is postponed again. The Taoiseach spoke later for 25 minutes with the Egyptian president regarding the case.
September 18, 2017: 1,497 days after being arrested, Ibrahim Halawa is acquitted of all charges. He is expected to be released within days.