Detached piece of newspaper found by guys in fort (8)
I believe the answer is:
fragment
'detached piece' is the definition.
'fragment' can be an answer for 'piece' (fragment is a kind of piece). I am not sure about the 'detached' bit.
'newspaper found by guys in fort' is the wordplay.
'newspaper' becomes 'rag' (informal term for a newspaper).
'found by' is a charade indicator (letters next to each other).
'guys' becomes 'men' (guy can mean a man).
'in' means one lot of letters goes inside another.
'fort' becomes 'ft' (abbreviation in place names).
'rag'+'men'='ragmen'
'ragmen' put within 'ft' is 'FRAGMENT'.
'of' is the link.
Can you help me to learn more?
(Other definitions for fragment that I've seen before include "Incomplete part" , "Small piece" , "Come to pieces" , "Particle" , "Small portion" .)