US singer Oliver Tree feared dead after helicopters collide over Rio de Janeiro killing six (opens original article in a new tab)

A mid-air collision between two helicopters in Rio de Janeiro killed six people, with one crashing into a car dealership and causing a fire. American singer Oliver Tree was reported to be on one of the helicopters.

• Two helicopters collided in Rio de Janeiro, killing six people
• One helicopter crashed into a car dealership, causing a fire
• Oliver Tree was reported to be on one of the helicopters