What Happened On Aug. 5, Venezuela opposition parties A New Era and Justice First asked for an independent investigation in order to clarify the details of the Aug. 4 explosion near a military event in Caracas where President Nicolas Maduro was giving a speech. The Venezuelan government said on Aug. 4 that the disturbance was caused by drones carrying C4 explosives that were detonated close to Maduro's location. Then, on Aug. 5, the government stated that it had arrested six people who were involved in the attack. One of the people arrested supposedly participated in protests against the government in 2014. An anonymous group called Soldados de Franelas, which the group says is made of military members and civilians, claimed responsibility for the attack. More Details After the Aug. 4 incident, the government cancelled the military event and evacuated Maduro and the participating members of the military.