Backpacker work visa scheme risks becoming 'black market'

The Fair Work Ombudsman has released a damning report, detailing high levels of exploitation experienced by backpackers on Australian working-holiday visas. Image: A seasonal worker picks grapes at a vineyard outside Canberra. (AAP)

A two-year investigation found many of those doing regional work were subject to underpayment, sexual harrassment and unsafe working conditions.