Siversk

Siversk (; ; until 1973: Yama [Я́ма; Я́ма]) is a city in Bakhmut Raion of Donetsk Oblast (province) of Ukraine situated 99 km north of Donetsk. Population: ; 12,608 (2010).
There are some industrial factories located within the raion, notably the Stroidetal brick factory. Siversk is a former sovhoz by the name of "Yamskyi". The town was founded in 1913 because of the operation of the dolomite mine near the railway station of Yama built in 1910. The town received city status in 1961 and was renamed Siversk in 1973.
On 10 July 2014, Ukrainian forces reportedly secured the town from pro-Russian separatists.
Population.
Recent population estimates or census results: