An urgent danger to life warning has been issued as floodwaters submerge the city of Lismore on the northern NSW coast on Monday and more rain expected for Tuesday..
Terrifying footage of the collision shows the houseboat flying down the Brisbane River at a rapid pace before smashing into a ferry terminal and sinking beneath the fast-moving currents.
The brazen motorist was captured driving into the flooded carpark of the Morayfield shopping centre on Saturday as Queenslanders were urged to stay at home and out of rising floodwaters.
Queensland and NSW will endure another day of life-threatening storms that will smash large parts of the states on Sunday and into Monday with six people already dead and 1,139mm of rain fallen.