The European Commission is set to propose on Tuesday to EU nations new sweeping sanctions against Russia, which include a ban on imports of coal, rubber, chemicals and other products from Russia worth up to 9 billion euros a year, an EU source told Reuters.

The EU is also proposing to ban exports to Russia worth another 10 billion euros a year, including semiconductors, computers, technology for LNG gas and other electrical and transport equipment, the source said.

The new round of sanctions was proposed after reports of killings of civilians in northern Ukraine by Russian forces. They may go into effect as soon as Wednesday, France’s European Affairs Minister Clement Beaune told RFI radio.