Interesting news regarding the contaminated Zam Zam holy water being sold in the UK.
Tourists can bring back small amounts from Saudi Arabia, but it cannot be exported for commercial use. An undercover researcher found large quantities of bottles being sold in east and south London, and in Luton. The president of the Association of Public Analysts said he would “certainly would not recommend” drinking it. For the original article please see this link to the BBC website.
A short documentary on the water is shown below – source not verified.