1: 'An old Egyptian,' Mia said (7)
5: Surrounded, small insect crawled into cover (7)
9: One who regrets having left leader (5)
10: Cover-ups of some Mexican heads reflected in more angry disorderly mobs (9)
11: Make a deep impression, bound by ties initially thought to be most vexatious (9)
13: Change men in commercial (5)
14: With fingernails, boy catches sole (7)
16: Oilwell fireman Red's commercial run (5)
17: Physician that is right is less interesting (5)
18: Indulgent Russian premier hosts English Tory's leader (7)
19: Eights had to race again, we hear, concerning fish spawn. (2, 3)
20: Creature of habit goes in to pay upon receipt of drink? It's puzzling. (9)
23: Impugn guest in R.I. for clandestine affairs (9)
24: Alcohol and tobacco - they can get a grip on you, we hear (5)
27: Vagrant's foot caught in spinning machine (7)
28: Moscow politician revolting in style (7)