Ukrainian intelligence agency has reported 110 Russian servicemen had arrived at the militant-occupied city of Sverdlovsk in Luhansk region.
The report says the Russian forces in eastern Ukraine are continuously supplied by necessary equipment.
"On July 24, four trucks were located moving from Russia to Sverdlovsk carrying 110 servicemen and three artillery systems," the Main Intelligence Directorate reported on Facebook.
The report also says the Ukrainian side has provided to the OSCE Special Monitoring Mission the information on tanks, artillery system and Grad rocket launchers in Staromykhailivka, Debaltseve, Donetsk, Makiivka, Horlivka, and Veselohorivka.
Over the last day, 58 attacks were mounted by the Russian-backed separatist forces at Ukrainian positions
The militants used 122mm-, 120mm, and 82mm-calibre weapons. The hottest point in Donetsk region was Mariupol with 35 attacks over the 24 hours.