Authorities detained six people suspected of using explosives-laden drones in a failed bid to assassinate Venezuelan President Nicolas Maduro, officials said Sunday, in what one witness described as a terrifying attack that shook her apartment building.

The government alleged that opposition factions conspired with assailants in Miami and Bogota, although they offered no specific evidence. Opposition leaders decried Maduro for broadly singling out his political opponents, and they warned he may use it to further suppress his critics.

Read more at Associated Press News.