[3] He completed his military training in Libya and Syria, and participated in the Lebanese Civil War, fighting in the Siege of Beirut.

[7] Fagaga joined the Tuareg rebellion of 2007–2009 as well, commanding the May 23, 2006 Democratic Alliance for Change (ADC) rebel group.

That same month, Bahanga and Fagaga created the Niger-Mali Tuareg Alliance for Change, but it did not receive support in Niger.

[3] In 2016, Fagaga joined a delegation of Coordination of Azawad Movements (CMA) leaders in Bamako attempting to revive the Algiers agreements.

[10][11] In a May 2017 interview with Jeune Afrique, Fagaga claims to have not seen Ghaly since 2012, stating "Iyad says he fights for the application of sharia.

"[12][13] Hassan Ag Fagaga was killed on the morning of December 22, 2023, in Tin Zaouatine, by a drone strike by the Malian army.