This was stated by NSDC speaker Andrii Lysenko, Censor.NETreports citing UkrainianNews.
"On the night ofJuly 9, terrorists conducted a mortar attack on a checkpoint nearthe Uspenske crossing point in the Donetsk region. Aroundmidnight, using night visionequipment, the border guards detected anapproach of a large group of militants. The attempt to capture thecheckpoint was repelled. As a result of the shelling, threesoldiers were killed and 4 injured," he said.
Lysenko also addedthat among the dead is chief of staff of the 5th Battalion who wasshot by a sniper.