Disputes between neighbours and housemates took dark turns overnight with police responding to separate incidents in Queensland and NSW.
In Brisbane, a fight between two flatmates on Friday night ended with one allegedly stabbing the other in the chest.
The 54-year-old Beenleigh man faces an attempted murder charge and will front Beenleigh Magistrates Court on Tuesday.
A 48-year-old man was hospitalised and is in a stable condition.
Elsewhere, a NSW man will front court on Saturday after allegedly shooting a gun while arguing with his neighbour in the Hunter region.
No one was injured in the incident which NSW Police said was the result of a dispute between the occupants of two neighbouring properties more than 100 kilometres west of Scone.
A 56-year-old man produced a gun and shot it while the other man ran into nearby bushland uninjured.
Police responded and stopped a ute nearby, arresting the driver, the 56-year-old man, for a number of offences.
They include injured persons / property, unauthorised firearm, breaching an apprehended violence order and drug possession.