No. It's been urban legend for a while, but now no one rational belive such a thing can happen in Europe.
I wouldn't be so sure about that. The trade in organs is worth a lot of money, and where there is money, there is crime. London is one alleged centre for black market sales, both of voluntarily sold organs and those obtained in other ways.
BBC NEWS | Health | Call to allow body organ selling
"Although illegal in most nations, and viewed as unethical by professional medical organisations, the voluntary sale of purchased donor kidneys now accounts for thousands of black market transplants."
The doctors suggested a figure of about £23,000 for a kidney, with an agency being set up to regulate the market.