Russia has reportedly sent a submarine to escort an ageing oil tanker chased by the US near Venezuela, escalating tensions over sanctioned oil. Watch video here.

Russia sends submarine to shadow oil tanker chased by US near Venezuela | Watch

A resurfaced claim by Trump’s former Russia adviser suggests Moscow once floated a bizarre deal, ditch support for Venezuela in exchange for a free hand in Ukraine. The claim is going viral again after Maduro’s capture. Watch here

Russia once pushed for a bizarre 'Venezuela for Ukraine' deal, Trump ex-aide reveals. Watch

Gravitas: Trump says 'Russia has to get out' of Venezuela

Venezuela faces second major blackout this month

Russia's foreign ministry said Tuesday that Moscow's decision to send military specialists to Caracas was in full accordance with Venezuelan law, after Russian military planes delivered troops and equipment to the country in a move denounced by Washington.

Decision to send military specialists to Venezuela in accordance with law: Russia