Guardian 29,329

[haras2]

23 down Mostly arrest snoopers (5)

From other clues, I think it must be STASI ,but I can't see how 

Vlad gets it. Can some genius enlighten me please 🤔

[scorpiojo]

Stasi(s) (arrest)

[haras2]

Sorry to be so dim, scorpiojo, but I think of Stasis as a state of

equilibrium, so I can't get from there to Arrest   :- (

[newmodarmy]

Check stasis as in physiology

[bookbinder]

Stasi is the abbreviated form of name of the former East German secret police. The full name is Staatssicherheitsdienst.

[Captain2]

It arrests/stops the flow of ...

2. Medicine Stoppage of the normal flow of a body substance, as of blood through an artery or of intestinal contents through the bowels

[Neveracrossword]

In Chambers,  'arrest' is the second word in the definition of 'stasis' (the first is 'cessation')...

[Captain2]

No idea why I've gone shooting out of the box!

Weird.

[haras2]

Thank you very much, one and all 😄