Take the blame for response to armed robbery? (4,2,4,5)

I believe the answer is:

hold up ones hands

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'take the blame for response to armed' is the definition.
I know nothing about this answer so I can't tell whether this works.

'robbery?' is the wordplay.
I cannot really see how this works, but
'robbery?' could be 'holdup' (holdup is a kind of robbery) and 'holdup' is found within the answer.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

I've seen this clue in The Sunday Times.

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