United Kingdom, June 15 -- Singer Oliver Tree has died in a helicopter crash in Brazil.

The 32-year-old musician, most well known for hits including Life Goes On and Miss You, was one of six people killed in the mid-air collision between two helicopters in Rio de Janeiro on Sunday morning (14.06.26).

YouTuber Gaspi, 23, and Brazilian DJ Lucas Frota also died in the horrific accident.

According to TMZ, Tree, Frota, Gaspi - real name Gaspar Prim - and two others were in one of the helicopters, while one pilot was flying the other.

Police told local media that Tree was on the list of passengers given to aviation authorities, although the bodies are apparently yet to be formally identified.

The Rio de Janeiro Military Fire Department tol...