My thanks to djawhufc and Oldred for help with 2D. However my other query seems to have slipped through the net. I'll repeat it.
5D. A confused fish to the second power? Disaster. (3,7) -D-/S---R--.
(The D above is the last letter of 7A which I guess is correct. - "Help delivered to journalist (5) A-D-- (AIDED)?
Many thanks,
DCC