15a "Drop lifeless for example, a coffin must follow" (4,6,3)
D?A? ??T?E? B?X Looks like DEAD LETTER BOX bit not sure
7d "Old prime minister that is twice introduced to supreme king" (5,6)
G?A?? ?I?I?R Can only see GRAND VIZIER but again not sure
17a "Golf club admitting West and North African" (7)
R???D?? RWANDAN possibly but that wouldn't square with having PEDESTRIAN for 6d "Footmen work over time to get covered by chroniclers" (11)
8d "In drowsy state, daughter gives way to new invalid condition" (8)
N?L???S?
26a "IN quarrel rod snapped off on top of head" (8)
D?M???I?
Any help much appreciated