Quentin D., a 23-year-old right-wing activist, was killed following an assault by a mob outside the Sciences Po Institute in Lyon, where a pro-Palestinian conference held by leftist MEP Rima Hassan was taking place. Quentin was part of a group of activists protesting against Hassan's speech and was displaying a sign with slogans condemning 'Islamic extremism.' The confrontation escalated, leading to the fatal attack that left Quentin critically injured and later resulted in his death at a hospital.

The circumstances surrounding Quentin's involvement in the protest are debated, particularly regarding his association with the identitarian group Némesis, which claimed he worked as a security guard for them. However, his family lawyer, Fabien Rajon, disputed this narrative, emphasizing that Quentin was not part of any formal security service and highlighting the complexity of his involvement in the political scene. This incident raises concerns about political violence and the increasing tensions surrounding protests in France.

The death of Quentin D. has sparked discussions about political activism, free speech, and public safety, especially in an atmosphere where confrontations between opposing ideological factions have grown more intense. It also reflects broader societal issues regarding how extreme political views can lead to violence, calling into question the dynamics of free expression and the responsibilities of both activists and authorities in managing public protests.