(15 Mar 2016, 10:24 pm)Andreos1 wrote I think the issue with the 21 was partly down to infrastructure.
There were other reasons cited like, such as the blasts of freezing cold air whenever the centre doors were opened.
I do think the legacy left after the fatal incident way back when, may have also had an affect. Directly or indirectly.
Still happens now, hopefully with the summer approaching, they'll not over heat haha.