12a) Vitality plus weird energy (5) P???E
26a) French marshal left Channel Island tree (5) ?L?E?
2d) Spanish article about the girl (5) E?H??
5d) Story backed about Conservative leader's striking effect (5) E?L?T
19d) Ancient tribe requiring one nice change (5) I?E?I
22d) Isle where opera singer lost her head (4) ?L?A