Censor.NET reports citing OSCE Special Monitoring Mission latest update based on information received as of Sept. 30, 2015.
The report reads: "In violation of the respective withdrawal lines, the SMM unmanned aerial vehicle (UAV) spotted a concentration of heavy weapons in "DPR"-controlled areas. On 29 September, it spotted six MBTs, eight APCs and 17 trucks in the area of Komsomolske (73km north-east of Mariupol), and at least 14 MBTs in the area of Sontseve (59km north-east of Mariupol). On the night of 29-30 September it spotted in a field west of Komsomolske around 40 individuals participating in exercise which involved five towed anti-tank guns (Rapira)."
The SMM also recorded a number of explosions in the Donetsk and Luhansk regions, the majority of which was presumably part of militants' training exercise.