I was climbing on the upper tier last night and turning around and looking over to the top quarry on the other side, there's been a decent sized collapse I think a bit to right of the three routes finishing with A Tracky Little Bleeder (5a). I was last on Horseshoe's upper tier in late February and I didn't notice it then so it could be quite recent? Not sure. I also I didn't have chance to walk up there last night to see if it impacted on those routes, but basically just another reminder to keep your wits about you in the old quarries! There has also been a collapse on the wall to left as you walk into the quarry (along the BMC improved path!). No climbing there, but I'm pretty certain that also came down in the winter, so perhaps it's not unreasonable to expect more instability this spring.
edit: because I still can't get left and right the right way round first go!
Post edited at 18:52