Latest News Wires Putin warns spat with US over Ukraine threatens global stability (+video)

With over 3,600 people killed in eastern Ukraine, the Russian president says sanctions disrupt peace efforts.

By , Reuters

Alexei Druzhinin, Presidential Press Service/RIA-Novosti/AP

President Vladimir Putin warned Washington that a spat between nuclear powers over the Ukraine crisis could threaten global stability and said in remarks published on Wednesday that Russia would not be "blackmailed" by sanctions.