The unclued lights, which include the German eighth, are of a kind. Ignore all accents.
 

Across

1    Lines fish in strips (8)
6    Dads receiving trophy before drinks (6)
10    Being against work place on outskirts of Arundel (12)
11    Children are a bone of contention (5)
17    Sentence lout over pinching high-class rescue aid (8)
21    Disorder of a pair on a seesaw (8)
23    Middle-Easterner troubled earls in team (7)
25/26    Digital extremity with nothing missing in part of fortification (6)
28    Goodness! Nessie’s tail seen in harbours (7)
29    Antelope back at turning by dead hoofed animal (8)
34    Mayor leaves money-changers confused by EU agreement (8)
35    Vectis with head...