Musician Oliver Tree, 32, killed in helicopter crash in Brazil

Two helicopters collided in Rio de Janeiro on Sunday morning, killing all six people aboard, including musician Oliver Tree. One helicopter crashed into a car dealership, igniting a fire that firefighters extinguished after spreading to about 20 cars. Authorities said an investigation is underway to determine the cause. Tree, 32, was on a world tour and had planned UK dates; he was among those confirmed dead by police sources. The other victims included a Brazilian music producer and Argentine director Gaspar Prim, known as Gaspi. The National Civil Aviation Agency (ANAC) is probing the incident.