TWO weekend gym junkies have staged a citizens’ arrest in the CBD, after helping to hold a suspected bag snatcher to the ground until police arrived.

A 22-year-old man from Andrews Farm is accused of snatching a handbag from a woman walking with her family near Pirie St about 2.50pm on Monday.

The man tried to make a run for it, chased by the victim’s husband. The wannabe thief made the crucial error of passing a nearby gym where two men were just finishing their workouts.

Camera Icon The two men hold the suspected bag snatcher on the ground. Credit: News Corp Australia, Mitch Mott.

The husband tackled the man to the ground on Exhange Place and got into a scuffle with the man.

The two men from the gym came to the man’s assistance and helped hold the bag snatcher until police arrived.

The husband sustained scrapes and bruises in the struggle and was treated at the scene by Adelaide City Council workers.

As police arrived and arrested the Andrews Farm man, the husband thanked the two men for their help.

The man was charged with assault and theft and will appear in court at a later date.