2d) Accelerator runs out of control in power plants (7,8) N???E?? ????????
7d) I'd assist loose breakaway group in unhappy state (15) no letters
12a) Runner on foot takes off after post car (6,5) ????E? ?????
16a) False report about church priest and teacher (9) P???????R
19a) You mostly reach goal working in old study (11) A??????????
All help greatly appreciated