I've trimmed one of the dead(ish) branches off and have taken a few more pictures to help if anyone can identify what it might be and whether...
Thank you for the response, that's very useful. I'll get right on it and let you know how I get on.
I just came home from work to find my yellow Acer is looking worst for wear. It's in a pot temporarily (for 2 month) and one of the stems seems to...