Really struggling today. 5 across (3)(5) S?? ??R?? Having full legal power to act. 12 across (6) ???I?? Statement of grievance. 22 across (6) M?T?E? Heterogeneous, made up of various types. 6 down (7) ??B???E Celebration of an anniversary, such as 25th or 50th. 8 down (8) ??R????A Trunk, large travelling case in the USA.