PORT Macquarie police are seeking assistance after three armed robberies in three days rocked the Hastings area.
The latest incident happened on Monday night at Bonny Hills General Store.
The offender was described as being a slim to medium build, 30-35 years-of-age, 180 centimetres or more tall, caucasian, and light to fair coloured hair.
Police said the man escaped with a small amount of cash after striking the 52-year-old attendant in the face.
A Port Macquarie Police spokesman said police were investigating whether the three incidents were linked.
Police are still searching for a man who is on the run after holding up the Waniora Convenience Store armed with a knife on Australia Day.
He entered the store after 6.30pm and brandished the small weapon at two women working at the premises.
The offender grabbed an undisclosed amount of cash from the till and fled the scene on foot.
Police were called and arrived at 6.50pm with search dogs.
Inspector Mick Aldridge said a search of the area did not track down the man that night.
He is described as a 178cm tall caucasian in his early to mid-20s with an athletic build and short blonde hair.
At the time of the offence, he was wearing a grey long-sleeved shirt and black tracksuit pants.
Detectives are reviewing close-circuit television footage, and questioning residents in surrounding areas as part of the investigations.
Police are appealing for anyone with further information to call Port Macquarie Police or Crime Stoppers on 1800 333 000.
In the third incident, a North Haven petrol station was held up at knife-point on Sunday night.
At about 6.30pm at the Shell Service Station on Ocean Drive, a man demanded cash from a shop assistant, who handed over money before the offender fled on foot.
He is described as caucasian with a thin build, and is about 176cm tall.
At the time of the robbery, he was wearing a blue and black hooded jumper and dark pants.
Inspector Mick Aldridge urged anyone with information to contact Port Macquarie Police or Crime Stoppers on 1800 333 000.