16a:local elected official (10) ?????? L???
24 a:esteemed (7)?????? T
26a:motorists black mark (11)???? R??? E??
1d: person whose claim to succession may be set aside (4, 11)
H?I? P? E??? P????
6d:casting down of hopes (15) D? S? L? U? I? N? E??
15d:inferior part of a neck of mutton(5-3) ??? A????
16d:jewel case (6) ?? S???
18d:keep an eye on (7) ?? E? S??