Alpha Force cook embracing a public brawl (6)
I believe the answer is:
affray
'public brawl' is the definition.
(I've seen this before)
'alpha force cook embracing a' is the wordplay.
'alpha' becomes 'a' (phonetic alphabet: alpha, bravo, charlie etc.).
'force' becomes 'f' (symbol used in Physics e.g. f=ma).
'cook' becomes 'fry cook' (fry cook is a kind of cook).
'embracing' means one lot of letters goes inside another.
'fry' enclosing 'a' is 'fray'.
'a'+'f'+'fray'='AFFRAY'
(Other definitions for affray that I've seen before include "Noisy quarrel" , "Brawling" , "Disturbance in public place" , "Breach of peace through public fighting" , "Breach of the peace by public rioting" .)