Singer Oliver Tree and YouTuber Gaspi among six killed as two helicopters collide in Brazil<br /><br />Brazil's air force has launched an investigation into the incident, which took place over Rio de Janeiro.<br /><br />READ MORE : http://www.euronews.com/2026/06/14/singer-oliver-tree-and-youtuber-gaspi-among-six-killed-as-two-helicopters-collide-in-brazi<br /><br />Subscribe to our channel. Euronews is available on Dailymotion in 12 languages
