i Cryptic Crossword No 381

[souxie]

5 Across,Thirteen letters,I see covering nuclear issues(6)
11 Across, Jewish leader intervening in a street attack(7)
13 Across, Servant in actuality,reverted to hesitation(8)
18 Across, Time to get away from best period for art form(5)

Sorry about the lack of letters

Many Thanks in Advance

[bibblebub]

5a) ATOMIC = A to M + i c

11a) ASSAULT - jewish leader = SAUL, inside A ST.

13a) FACTOTUM = fact + 'to' reversed + um

18a) OPERA = (t)op + era

[mike11111]

The answer to 18 ac is the link to a number of themed clues.

[souxie]

Many Thanks bibblebub.

[bibblebub]

you're very welcome