The United States government has imposed more sanctions on Russian banks, defence and energy companies as a response to the country's actions in Ukrainian territoy.
According to the BBC, the measures were part of a joint effort with the European Union.
Meanwhile, a weak ceasefire is continuing in Eastern Ukraine to settle the conflict between Ukrainian forces and pro-Russian separatists.
The sanctions were announced on Sunday which implied that Russia's biggest bank Sberbank will not receive loans lasting longer than 30 days.
The sanctions will also have an effect on Rostec, a technology and defence firm and Russia's oil industry technology.
Both U.S. and EU say that sanctions can be eased if Russia takes a step towards maintaining peace with Ukraine.