London team has weapons at its disposal (7)

I believe the answer is:

arsenal

I'm a little stuck... Click here to teach me more about this clue!

'london team' is the definition.
'arsenal' can be an answer for 'team' (Arsenal football club). I am not certain of the 'london' bit.

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for arsenal that I've seen before include "First FA Cup winners" , "Store of weaponry" , "favoured by some football supporters" , "London FC" , "Armoury - London football club" .)

I've seen this clue in The Daily Express.

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