The activists belonged to the Pemones indigenous tribe that has joined the opposition effort to haul in aid donated by the United States and other countries from bordering nations on Saturday."

https://www.washingtonpost.com/world/the_americas/one-dead-multiple-injured-after-venezuelan-national-guard-opens-fire-on-opposition-supporters/2019/02/22/09d60f1a-3518-11e9-8375-e3dcf6b68558_story.html?utm_term=.13d724e2fdf4