@cheesemaster saidThat is cynic.
Ya I read about it.
Maybe water contamination?
Not too serious with one death out of 500+
And we don't know about the long-term effect on those inflicted.
@humy
Lead I can see causing problems but I thought nickel was not near as toxic as lead.
https://www.atsdr.cdc.gov/phs/phs.asp?id=243&tid=44#:~:text=The%20International%20Agency%20for%20Research,nickel%20subsulfide%20are%20human%20carcinogens.