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It's a dangerous situation on holiday broadcasting from a shoot (3,2,1,4)

Ross

I believe the answer is:

out on a limb

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

'holiday broadcasting from a shoot' is the definition.
I don't know anything about this answer so I cannot judge whether it can be defined by this definition.

'it's a dangerous situation on' is the wordplay.
I cannot quite see how this works, but
'a' is found in the answer.
'on' is within the answer.
'it' could be 't' (abbreviation. e.g. in 'tis) and 't' is present in the answer.
This may be the basis of clue (or it may be nonsense).

Can you help me to learn more?

(Other definitions for out on a limb that I've seen before include "Alone and in danger" , "questionably placed" , "Without support" , "Wing-walking" , "In a vulnerable position" .)

I've seen this clue in the Irish Times.
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