22 August 2017. Government forces, led by the 800th Regiment of the Syrian Republican Guard and supported by the Russian Aerospace Forces, have advanced 30km along the Palmyra-Deir Ezzor border, according to pro-government sources.

SOUTH FRONT

https://southfront.org/syrian-army-advances-30km-along-highway-to-deir-ezzor-reports

At industryabout.com:

Syria and Iraq War Industrial Map