According to Ukrinform, the State Emergency Service reported this on Facebook.
"In Sumy, the enemy struck an industrial facility: rescuers have put out a large-scale fire," the statement said.
Due to the threat of repeated strikes, rescuers were forced to suspend their work and take cover several times.
Read also: Enemies attack Novhorod-Siverskyi district in Chernihiv region, damaging housesAll fire hotspots have been extinguished.
One person sought medical assistance.
Earlier reports said that a Russian strike hit an enterprise in the city's industrial zone, causing heavy smoke across Sumy.
Photo credit: Ukraine's State Emergency Service