Bloomberg reports: Russia has amassed as many as 38,000 soldiers on its borders with Ukraine and continues to supply arms and personnel to rebel forces in the eastern part of the country, Ukraine’s National Security Council chief said.

Russia has moved about 16,000 troops to Ukraine’s eastern frontier and has another 22,000 in Crimea, the Black Sea peninsula that President Vladimir Putin annexed in March, Andriy Parubiy told reporters in the capital Kiev today.