Immigration officers arrested 23 illegal workers, eight suspected employers and two overstayers in citywide raids from July 16 to 19.

Thirteen illegal workers and six employers were arrested at 14 locations, including a beauty centre, a beverage stall, a commercial building, garbage collection depots, offices, a residential flat, restaurants, shops and a shopping mall.

Ten illegal workers, two employers and two overstayers were arrested at 21 target locations in Tsuen Wan and Kowloon East, including a factory, food stalls, an industrial building, a residential flat, restaurants, shops and warehouses.

The department reminded employers not to hire illegal workers and warned visitors not to take up employment in Hong Kong without permission from the Director of Immigration.