Had this earlier today. A couple were making their dinner on the train (literally brought the contents of a small kitchen with them!) decided to open a tin of the stinkiest fish to mix into the salad they were making. They then left the empty tin open on the seat behind me and it wafted fish smell for 2 hours until the journey was over. I couldn’t move as I was in one of the only seats with a socket to charge my dying phone.
Absolutely rank IMO. AIBU?