A manhunt is underway after an unprovoked attack on grandmother

The 84-year-old is in a serious but stable condition after suffering serious head injuries and will undergo surgery this evening.

Police say the unknown woman approached the elderly lady in a parking lot in Midland, knocked her to the ground and then left the area.

Detectives today sought CCTV footage to understand what led to this shocking incident.

Officers released a photo of the suspected attacker.

She is described as 160 centimeters tall, with a medium build, short brown hair and brown eyes.

She was last seen wearing a black T-shirt and black shorts.