Reporting electrically unsafe item (Unsafe adapter) - report or request return?

I bought a bathroom item and it has an EU plug on it with one of those gray AU adapters.  Online they're listed as illegal to use and sell in Australia as they have started fires and are electrically unsafe.  I suspect that the seller who listed the location of the item in Australia actually got it from China, as they only lodged the tracking number with australia post and it didn't actually get posted for another week.  The seller denied doing this.  Do I report the listing or open a return?  There's no category for returning due to electrically unsafe.