Helicopter crash on Australia's Great Barrier Reef kills two tourists

Two American tourists died in a helicopter crash in Australia yesterday. They were travelling on Australia's Great Barrier Reef.

The deceased were on board the helicopter when it crashed into the ocean, Australian media reported. The three others on board were transported back to the mainland with non-live threatening injuries, police said.  The cause of the cash is still unknown. Authorities from Australian Transport Safety Bureau are launching an extensive investigation.