Group of men heading for George Harrison leaving hotel (8)
I believe the answer is:
garrison
'group of men' is the definition.
(group of soldiers)
'george harrison leaving hotel' is the wordplay.
'george' becomes 'g'.
'leaving' suggests deleting specific letters.
'hotel' becomes 'h' (phonetic alphabet: alpha, bravo, charlie etc.).
'harrison' with 'h' taken away is 'arrison'.
'g'+'arrison'='GARRISON'
'heading for' is the link.
This may not be right. Some or all of it may belong to another bit of the clue.
Can you help me to learn more?
(Other definitions for garrison that I've seen before include "Military fortress" , "Fortified troop station" , "Station (troops) in a town" , "Roarings (anag.)" , "Military base" .)