Well several leaves are going brown and crispy and I thought they were scortched, but one I am not sure as one of them has suddenly totally wilted. Thought it might be blight?
Can you try posting the pics again please - click on the tree symbol on the toolbar above where you post the message and follow instructions.
Also, can you tell us a bit more about your beans - did you sow direct or in pots, have they been in a greenhouse, when did you plant out? Stuff like that