In this photo released by China's Xinhua News Agency, security personnel surround Venezuela's President Nicolás Maduro, left, after drones armed with explosives detonated as he was making a speech in Caracas, Venezuela, Aug. 4, 2018.

In this photo released by China's Xinhua News Agency, security personnel surround Venezuela's President Nicolás Maduro, left, after drones armed with explosives detonated as he was making a speech in Caracas, Venezuela, Aug. 4, 2018.