Hundreds of children under Queensland government care are in 'other living arrangements', for many that means homelessness

Children in Queensland's foster and residential care system are living on the streets of Brisbane. (ABC News: Elizabeth Cramsie)

As the sun sets on Brisbane's CBD, Mel and Marshall from the Brisbane Emergency Response Outreach Service (BEROS), set out on their night shift.

The duo will spend the next six hours driving around the city's streets looking for children sleeping rough — some as young as 11.