I was building my Colosseum and when I went to press a brick into place felt a sharp pain on my fingertip. It didn't feel like a normal pinch, and where I was working one shouldn't've been possible. Taking a closer look I saw a piece of wire sticking up from one of the studs, and it had drawn blood.
The wire itself is short enough not to have came out the back side of the brick. Because of it's stiffness my guess would be that it's a fragment from a wire brush/etc.
Does anyone know how I can contact LEGO about this?
I've put photos of the brick in an Imgur gallery because my attempts to attach directly are failing.
https://imgur.com/a/2SOhIJ9