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Shirtfront and suspend top hacker over artificial intelligence in foreign city (8)

Ross

I believe the answer is:

shanghai

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

'city' is the definition.
(Shanghai is an example)

'shirtfront and suspend top hacker over artificial intelligence in foreign' is the wordplay.
I cannot quite see how this works, but
'and' could be 'n' (common abbreviation for 'and') and 'n' is found in the answer.
'top' could be 'ai' (resembles A1, term for excellent) and 'ai' is present in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for shanghai that I've seen before include "Oddly, you can gain hash in the Chinese city" , "Kidnap sailors" , "Kidnap in Chinese city-port?" , "Once impressive" , "Drug and put on a ship" .)

I've seen this clue in the Sydney Morning Herald.
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