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A YouTube video which may have the same footage from a commercial TV station, is here.
A similar situation occurred in Egypt in July 2013, with a helicopter targeted by dozens of beams. A detailed discussion of this incident is here.
Thanks to MVC of Chile who brought the commercial footage to our attention.
It is not known if the pointers damaged the drone's camera, rendering it unflyable, or if the operator could still fly the drone but decided to land it.
A video posted by Perseus999 includes this commentary from him or her:
This is the moment a police drones is being forced to crash and land by protesters in Chile using simple pointer lasers to blind the drone.
These protesters didn't use any physical or gun force to bring the drone down. Instead, they used another form of technology: lasers. A lot of bright green laser beams were pointed in unison at the drone, which can be seen moving erratically, before quickly falling down to Earth.
A few theories about how the drone was brought down by the lasers are floating around many social media. Some believe the lasers are powerful enough to melt the plastic on the drone if it is a cheap drone. Some others believe the lasers' lights would blind the drone operator's vision through the camera, and the drone would go into autopilot mode and land as a failsafe. Others think that with that many lasers pointing at the drone, it would overheat and malfunction. Speculations that between 40 to 50 lasers were being pointed at the drone have circulated online, and the video certainly demonstrates that these estimates may be true. If that is the case, that's certainly enough lasers to blind the drone's camera lens.
Videos found from @Emily_Lykos | @Carabdechile
COMMENTARY FROM LASERPOINTERSAFETY.COM: The overheating theories are probably incorrect. Cameras are known to be sensitive to laser light — often much more sensitive than human eyes. So the camera sensor could be damaged, or even if not damaged, causing glare making it difficult or impossible to safely fly.
Via a YouTube search for "Drone with laser pointer"
Complete coverage, including more photos and videos, is in this LaserPointerSafety.com story in the “Statistics, laws, all other news” section.