It is with great sorrow that

[GoldfishLord]

It is with great sorrow that we learned of the tragic news about the death of our friend, Major General Andrei Aleksandrovich Sukhovetsky, on the territory of Ukraine during a special operation.’

(Reference: https://misspetitenaijablog.com/202...jor-general-killed-while-fighting-in-ukraine/ )
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I'm not sure what the role and meaning of "with" are.
I'd appreciate it if you'd help me understand it.

 

[jutfrank]

The phrase with great sorrow is adverbial. It tells us something about the verb learned.

It means that the speaker felt great sorrow when they learned that Sukhovetsky had died.