The OSCE Special Monitoring Mission (SMM) to Ukraine has spotted clusters of heavy weapons in Russian-occupied areas of Donbas.

"On April 12, an SMM mid-range UAV spotted two mortars (2B14 Podnos, 82mm; one of them probable) near Shyroka Balka (34km north-east of Donetsk)," the OSCE said in an update based on information received as of 19:30 Kyiv time on April 15, 2019.

"On April 13, an SMM mini-UAV spotted two tanks (T-72) in a residential area of Sosnivske (78km south of Donetsk)," the monitors said.

The same day, an SMM long-range UAV spotted 14 towed howitzers (eight 2A36 Giatsint-B, 152mm and six D-30) near Khrustalnyi (formerly Krasnyi Luch, 56km south-west of Luhansk) and 24 tanks (19 probable T-72 and five probable T-64) in a training area near Kruhlyk (31km south-west of Luhansk).

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"On April 15, the SMM saw seven MLRS (BM-21 Grad, 122mm), seven self-propelled howitzers (2S1) and ten towed howitzers (five 2A65 Msta-B, 152mm and five D-30 Lyagushka, 122mm) at the former Luhansk international airport about 10km south of Luhansk city.

Moreover, on April 15, the SMM saw seven tanks (T-72) and six surface-to-air missile systems (9K35) at the former Luhansk international airport (see above) and four tanks (T-72) near Svobodne (73km south of Donetsk), in a zone within which deployment of heavy armament and military equipment is proscribed according to Point 5 of the Memorandum of September 19, 2014.