2018 Caracas drone attack
On 4 August 2018, two drones detonated explosives near Avenida Bolívar, Caracas, where Nicolás Maduro, the president of Venezuela, was addressing the Bolivarian National Guard in front of the Centro Simón Bolívar Towers and Palacio de Justicia de Caracas. The Venezuelan government claims the event was a targeted attempt to assassinate Maduro, though the cause and intention of the explosions is debated.
Source: Wikipedia — 2018 Caracas drone attack (CC BY-SA 4.0)