The latest intelligence about it leads to a South Pacific island (3,7)

I believe the answer is:

new britain

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'a south pacific island' is the definition.
'New Britain' can be an answer for 'island' (New Britain is an example). I am not certain of the 'a south pacific' bit.

'the latest intelligence about it' is the wordplay.
'the latest' becomes 'new'.
'intelligence' becomes 'brain' (brain is a kind of intelligence).
'about' means one lot of letters goes inside another.
'brain' placed around 'it' is 'britain'.
'new'+'britain'='NEW BRITAIN'

'leads to' acts as a link.

Can you help me to learn more?

I've seen this clue in The Independent.

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