Police have set up a crime scene at a central Sydney bank after it was targeted in a daylight robbery on Wednesday.

NSW Police officers said two offenders fled the Bendigo Bank branch on Elizabeth Street, near Martin Place, just before 1pm.

They said no one was injured during the ordeal.

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Two men made off with bags of cash after demanding money from the teller about 12.20pm, police said.

Witnesses are being urged to contact police.

Officers would like to speak to two men who may be able to assist with inquiries.

They described one man as being of Pacific Islander/Maori in appearance, wearing dark tracksuit pants, a dark hooded jumper and carrying a green bag.

They said the second man was described as being of Pacific Islander/Maori in appearance, wearing dark tracksuit pants with white stripes on the legs, a dark hooded sweatshirt and a light grey top.

Meanwhile, an armed man is on the run after robbing an inner Brisbane bank while brandishing a hammer.

Queensland Police officers believe the man entered the Commonwealth Bank branch in Spring Hill just before 4pm on Wednesday.

They said customers were in the branch at the time and one was treated by paramedics but wasn’t seriously injured.

Police said the man fled with a sum of cash, and they are appealing for witnesses.

The man is described as Caucasian in appearance, aged in his late 40s or early 50s, about 183cm tall, of proportionate build with short brown hair and a handlebar moustache.

He was last seen wearing a dark, long sleeved collared shirt, brown pants and a blue tennis visor.

Anyone with information to either robbery should phone Crime Stoppers on 1800 333 000 or by visiting crimestoppers.com.au.