Completely stuck on these!
8a Pig squeals, circling an unspecified number of birds(5,4)
25a Maybe go through mood changes of criminal; prison worried(9)
3d Perhaps someone you can't have begun to analyse mentally (5)
4d Low-key opening for dignitary to have to attend(8)
5d Area of land abroad that's cut too fine(6)
23d Head of Scotland Yard team(5)
I've not given any letters, as I am not sure if what I have is right!!!