A woman holds a banner that shows Serbian President Aleksandar Vucic, reads: "You have blood on your hands!" as she stops traffic, standing in silence to commemorate the 15 victims of a railway roof collapse five weeks ago, demanding accountability for the tragedy, in Belgrade, Serbia, Friday, Dec. 6, 2024. (AP Photo/Darko Vojinovic)
People hold banners showing Serbian President Aleksandar Vucic, reading: "You have blood on your hands!" and stopping traffic, standing in silence to commemorate the 15 victims of a railway roof collapse five weeks ago, demanding accountability for the tragedy in Belgrade, Serbia, Friday, Dec. 6, 2024. (AP Photo/Darko Vojinovic)
People hold banners reading: "You have blood on your hands!" and stopping traffic, stand in silence to commemorate the 15 victims of a railway roof collapse five weeks ago, demanding accountability for the tragedy in Belgrade, Serbia, Friday, Dec. 6, 2024. (AP Photo/Darko Vojinovic)
People hold banners showing Serbian President Aleksandar Vucic reading "You have blood on your hands!" and stopping traffic, stand in silence to commemorate the 15 victims of a railway roof collapse five weeks ago, demanding accountability for the tragedy in Belgrade, Serbia, Friday, Dec. 6, 2024. (AP Photo/Darko Vojinovic)
A man draped in a Serbian flag stands in silence to commemorate the 15 victims of a railway roof collapse five weeks ago, demanding accountability for the tragedy in Belgrade, Serbia, Friday, Dec. 6, 2024. (AP Photo/Darko Vojinovic)
A man draped in a Serbian flag stands in silence to commemorate the 15 victims of a railway roof collapse five weeks ago, demanding accountability for the tragedy in Belgrade, Serbia, Friday, Dec. 6, 2024. (AP Photo/Darko Vojinovic)
A woman holds a banner that shows Serbian President Aleksandar Vucic, reading: "You have blood on your hands!" and stopping traffic, standing in silence to commemorate the 15 victims of a railway roof collapse five weeks ago, demanding accountability for the tragedy in Belgrade, Serbia, Friday, Dec. 6, 2024. (AP Photo/Darko Vojinovic)