This is an introduced species, and can be found all over the UK's parks and gardens, due to its attractive leaf colour in the autumn, and pink, lobed small fruit.
These 4-lobed fruit are particularly poisonous however, containing as they do, many alkaloids such as caffeine, and even an extremely bitter terpene.
Do not eat!
The Spindle is so called because its hard wood was very useful for the manufacture of... yes... spindles, and could be fashioned into a nice, firm, sharp point.
NB. I think thats all the "berries" I found yesterday. We all found quite a few more on our walk on Saturday gone, and hope to post about them in the not too distant future...