"He says, 'we won't be able to let you through because your T-shirt has got a gun on it'," Mr Jayakody said.
"I was like, 'What are you talking about?'.
"[The official's] supervisor comes over and goes 'sorry we can't let you through and you've a gun on your T-shirt'," he said.
http://news.bbc.co.uk/2/hi/uk_news/england/london/7431640.stm
http://www.dailymail.co.uk/news/article-1023560/Man-threatened-arrest-Heathrow-wearing-Transformers-T-shirt.html
