As the new levels for the national minimum wage are introduced, Panorama discovers that many British workers are still being paid much less than the law states and finds the problem particularly acute in the care work sector.

"I work all these hours and people just won't pay me," said Susan. Susan (not her real name) is one of more than two million people employed in the care industry in the UK. She wanted to remain anonymous for fear of losing her job.

It is tough work, both physically and mentally, delivering care services such as bathing, cooking and lifting in the home for some of the most vulnerable people in our society. It is also poorly paid. Susan is the sort of worker that the national minimum wage was introduced to protect in April 1999.

But research by academics at King's College London seen by BBC Panorama suggests that somewhere between 150,000 and 200,000 care workers over the age of 21 may be earning less than the statutory minimum, now £6.08 an hour for....Read more here---> BBC News - Panorama - Thousands of care workers paid under legal limit