You can't even photograph buses in peace now...
http://www.thisisgloucestershire.co.uk/latestnews/BUS-spotter-hang-camera-paedophile-terrorist-accusations/article-194852-detail/article.html
you may have to cut and paste the link... but allegedly, a local has effectively given up his hobby of bus spotting because of the hassle he was getting over photographing them...
"The credit controller says his first brush with the long arm of the law was in Pontypridd, last September.
A bus driver took exception to being snapped and called the police, who demanded to see what he had on his camera.
A second incident in Monmouth saw an embarrassed PCSO approach Rob and run his name and address through police computers after a member of the public complained he had been acting strangely."