Industry leaders from Hong Kong’s property management sector have said a security staff shortfall of up to 25 per cent persists, as they defended a major housing estate’s recruitment of one-third of its guards from across the border.The owners’ corporation of Richland Gardens in Kowloon Bay has come under fire after announcing on social media last week that 31 guards from mainland China would be hired through a government labour scheme.The scheme allows firms to import low-skilled workers if...