UPDATE: Stephen Lock, the man who followed his ex-wife into a Queensland McDonald's before shooting her in the head, has died from a self-inflicted gunshot wound.
It has been reported that Karina Lock agreed to meet Stephen Lock at the McDonald's in Helensvale on Thursday morning, before Mr Lock walked in and shot his ex-wife in front of around 30 witnesses.
Ms Lock died almost immediately. Mr Lock was rushed to hospital in a critical condition. Queensland police have confirmed this morning that Mr Lock has died as a result of his wounds.
A woman is dead after being shot in the head inside a McDonald's restaurant in Helensvale on the Gold Coast. It's believed a man followed the woman into the restaurant before firing the fatal shot.
Police say the woman was shot at around 9.15 this morning. Paramedics attempted to perform CPR but she died a short time later.
A man, who police say is known to the woman, has been hospitalised with a self-inflicted gunshot wound to the head. Police will allege he fired the fatal shot.
He has been transported to Gold Coast University Hospital in a critical condition.
No one else was injured in the incident, but several diners are believed to have witnessed the incident.
"You can only imagine what it's like to go about your normal business and to have something like that occur right in front of you," A Queensland police spokesman said.
"So we are mindful of that and we are looking at avenues to ensure that any person who did witness it or was nearby can access some form of counselling or support that they may need."
Police are urging anyone with information to contact Crime Stoppers anonymously via 1800 333 000 or crimestoppers.com.au 24hrs a day.
The incident comes just days after another Queensland woman, 24-year-old Tara Brown, was allegedly run off the road and bashed to death by her former partner.
Police have charged 24-year-old former bikie Lionel Patea with murder after he allegedly rammed Ms Brown's car off the road in the suburb of Molendinar, before savagely bashing Brown with a piece of steel.
Ms Brown died in hospital overnight. Patea's attempted murder charge has been upgraded to murder. He was also charged with one count each of dangerous operation of a motor vehicle, attempted unlawful use of a motor vehicle, unlawful use of a motor vehicle and contravene a domestic violence order.