Shopping centre in lockdown after reports of armed man

South Australia Police confirmed they were aware of an incident occurring at the complex.

"Numerous police patrols are in attendance," a statement read.

"At this point in time, police advise the public to stay away from the area.

"A further update will be provided when known."

Photos of large digital signs inside the centre have warned members of the public of an armed offender in the complex.

Social media footage from shoppers showed armed officers storming into the centre while dozens of shoppers attempted to run to safety.