Editor's note: The story was updated with additional information about the victims.
A Russian attack against the Kharkiv district around 1 p.m. on April 4 killed a man in a tractor, Governor Oleh Syniehubov reported.
The victim was killed in an area between settlements, the governor noted.
Syniehubov later clarified that the man killed was a 36-year-old employee of an agricultural enterprise. He was killed on a plot of land between the villages of Berezivka and Korotych, the governor said.
Two other men who were working in the field, aged 55 and 21, were reportedly injured and hospitalized.
Overnight on April 4, Russian drone attacks killed four people, including first responders, and injured 12 others in Kharkiv.
Settlements in Ukraine's Kharkiv Oblast are subjected to near-daily attacks by Russian forces due to their proximity to the border with Russia.
Moscow's troops recently intensified their attacks against Kharkiv, destroying nearly all of its energy infrastructure.