Brussels Islamic State terror cell
Group who carried out Paris and Brussels terrorist attacks
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| March 2025 | In Paris, Oussama Atar was convicted in absentia of kidnapping and torturing four French journalists in Syria between 2013 and 2014, receiving another life sentence. |
| July 2023 | In Brussels, Oussama Atar was convicted of terrorist murder and attempted murder for his role in planning the attacks, and was given a life sentence. |
| July 2023 | Following a seven-month trial in Brussels, six men were convicted of terrorist murder and attempted murder related to the Brussels attacks. Two more were convicted of terrorist activity, while two were cleared of all charges. |
| July 25 2023 | Verdicts are delivered in Brussels; Abdeslam is convicted of terrorist-related murder and attempted murder, but receives no additional sentence due to his previous sentencing. |
| July 25 2023 | Ayari was cleared of terrorist-related murder and attempted murder, but convicted of taking part in terrorist activities. He received no additional sentence due to previous sentencing for the Forest shoot-out. |
| June 2023 | At the Paris attacks trial, Ayari was sentenced to 30 years imprisonment. |
| December 2022 | Abdeslam goes on trial in Brussels for his involvement in the Brussels attacks. |
| December 2022 | Ayari went on trial in Brussels for his role in the bombings. |
| June 2022 | At the Paris attacks trial, Abdeslam is sentenced to a full-life term in prison. |
| June 2022 | After a ten-month trial in Paris, 19 men were convicted of involvement in the terror cell that planned and carried out the Paris attacks, with a twentieth man convicted of criminal offences. |
| December 2020 | Mohamed Bakkali was sentenced to 25 years in prison for complicity in the 2015 Thalys train attack, with the sentence being under appeal. |
| 2018 | Ayari went on trial for the Forest shootout and was sentenced to 20 years in prison for attempted murder of police officers in a terrorist context. |
| April 2018 | Abdeslam is sentenced to 20 years in prison for his part in the Forest shoot-out. |
| November 2017 | Oussama Atar was reportedly killed by an airstrike in Syria. |
| April 8 2016 | Arrested for his involvement in terrorist activities. |
| March 22 2016 | Coordinated bombings at Brussels Airport and a metro station killed 32 people. Three suicide bombers died, while two others fled without detonating their explosives. |
| March 18 2016 | The two terrorists who escaped from the Forest raid were arrested in the Molenbeek district of Brussels. |
| March 15 2016 | Police raided a flat in the Brussels district of Forest, killing one terrorist while two others escaped. |
| 2015 | Briefly travels to Syria during this year. |
| 2015 | During summer and autumn, Abdeslam participates in preparations for the Paris and Brussels attacks, including picking up group members returning from Syria and driving them to Brussels, hiring cars used in the Paris attacks, and buying explosive materials. |
| November 21 2015 | Brussels was placed in lockdown due to the threat of another terrorist attack, with the city remaining under heightened security until 25 November. |
| November 13 2015 | Ayari accompanied Krayem to Schiphol airport during preparations for the Paris attacks. |
| November 13 2015 | A group of ten IS terrorists carried out coordinated attacks across Paris, killing 130 people. Seven terrorists died during the attacks, while two were later killed in the Saint-Denis raid, and the tenth attacker fled to Brussels. |
| 2014 | Sofien Ayari left Tunisia and traveled to Syria. |
| 2012 | Oussama Atar returned to Belgium after a campaign for his release, having been radicalized during his 7 years in prison. |
This contents of the box above is based on material from the Wikipedia article Brussels Islamic State terror cell, which is released under the Creative Commons Attribution-ShareAlike 4.0 International License.