The official UK Visas & Immigration account has issued a stark warning to workers across Britain, highlighting the practice of employers confiscating employees' passports as a key indicator of modern slavery. The warning, published on social media, lists six red flags that workers should watch for to identify potential exploitation.
Six Red Flags of Modern Slavery
According to the UK government's immigration authority, the following signs may indicate that a worker is being subjected to modern slavery or labour exploitation:
- Receiving little or no payment for work performed.
- Having untreated injuries while working.
- Working excessive hours without adequate breaks.
- Facing excessive or unreasonable deductions from wages.
- Being forced to accept substandard accommodation from the employer without genuine choice.
- Accruing debts for unwanted services, surrendering their passport, and depending entirely on the employer for work, travel, and accommodation.
The final point is particularly significant for migrant workers. Passport retention by an employer is widely recognised as a tool of coercion and control, effectively trapping workers in situations they cannot easily leave.
Passport Retention as a Coercion Tool
The UK government emphasized that these warning signs are not exhaustive but represent common patterns observed in modern slavery cases. The post noted that such exploitation is happening inside the United Kingdom today, and recognising the warning signs is the first line of defence for any worker. The government urged all employees to be vigilant, especially those in vulnerable employment situations.
How to Report Modern Slavery in the UK
In the same advisory, UK Visas & Immigration directed anyone who witnesses or suspects an instance of slavery to file a report through the modernslaveryhelpline service. The helpline provides a confidential channel for workers to seek help and report employers who engage in such practices.
The warning comes amid broader efforts by the UK authorities to combat modern slavery and protect workers' rights. The government advises workers to familiarise themselves with these red flags and to take immediate action if they or someone they know experiences any of these conditions.



