6d) Did Ron charm Katy to bits - or anyone at all? (3,4,3,5) no letters
19d) Ragamuffin missing school could turn into hooligan (7) R?????N
23d) Sort of diatribe one bishop unleashed (6) no letters.
24a) British film edited to obtain 'U' right at the top (7) B?I???L
25a) What volcano hurls up after eruption (7) ??L????
All help greatly appreciated