Hearing occasionally news about huge blaze (7)

I believe the answer is:

inferno

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

'huge blaze' is the definition.
'inferno' can be an answer for 'blaze' (I've seen this before). I'm not sure about the 'huge' bit.

'hearing occasionally news about' is the wordplay.
'occasionally' indicates alternate letters.
'news' becomes 'info' (I've seen this in another clue).
'about' means one lot of letters goes inside another.
The alternating letters of 'hearing' are 'ern'.
'ern' inserted within 'info' is 'INFERNO'.

Can you help me to learn more?

(Other definitions for inferno that I've seen before include "Large uncontrolled fire" , "Hellish conflagration" , "A raging fire like hell" , "Furious" , "Nine Circles here" .)

I've seen this clue in The Telegraph.

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