Information of some urgency (3)
I believe the answer is:
gen
'information' is the definition.
(gen can informally mean information)
'some urgency' is the wordplay.
'some' indicates a hidden word (some parts of the word are used).
'GEN' can be found hidden inside 'urgency'.
'of' is the link.
(Other definitions for gen that I've seen before include "'Information, colloquially (3)'" , "Knowledge" , "Info" , "Information (colloq.)" , "Information yielded" .)