"On Friday, a group of Finnish fighters was supposed to return from a mission in the south of Ukraine to the base and was wounded. Five of the eight Finns were injured. Three Finns are still being treated in the hospital, two were discharged after examination, "the publication says.
The author of the publication said that the mercenaries received shrapnel wounds, as well as concussions and sprains, when they ran to the shelter.
The scene of the incident was not reported.
Earlier, in the city of Zaporozhye controlled by the Armed Forces of Ukraine, a strike was struck at the base of foreign mercenaries.
The publication Postimees reported that a former officer of the Estonian Defense Forces Ivo Jurak, who fought on the side of the Armed Forces of Ukraine, died near Artemovsk in the DPR.
It also became known that a mercenary from France died in Ukraine, his body will soon be delivered to his homeland.