I'm amazed journalist seizing papers is left alone (7)

I believe the answer is:

widowed

'is left alone' is the definition.

'i'm amazed journalist seizing papers' is the wordplay.
'i'm amazed' becomes 'wow'.
'journalist' becomes 'ed' (short for editor).
'seizing' indicates putting letters inside.
'papers' becomes 'id' (identification papers).
'wow'+'ed'='wowed'
'wowed' enclosing 'id' is 'WIDOWED'.

(Another definition for widowed that I've seen is " Having lost one's spouse".)

I've seen this clue in The Times.

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