"The Russian command has taken a decision . to bring in as much artillery as possible. But the number of artillery attacks has declined as there has been a gradual decline in the amount of ammunition available," Zhdanov added.
"Russian suppliers will find some other banks for receiving payments," the source told Reuters. "As it is, the government is not asking us to stop buying Russian oil, so we are hopeful that an alternative payment mechanism will be found in case the current system is blocked."