Five days after saboteurs blew up power lines in southern Ukraine plunging Russian-annexed Crimea into an energy crisis, all four damaged pylons are out of action and engineers say they need a political decision to restore supplies.

• November 27, 2015

Power blackouts in Crimea orchestrated by anti-Russian saboteurs are stirring discontent a year and a half after Moscow seized the peninsula from Ukraine, threatening to chip away at the pro-Kremlin euphoria many Crimeans felt after annexation.

• November 26, 2015

A senior Iranian diplomat says Tehran expects its landmark nuclear deal with world powers to enter into force early next year.

• November 25, 2015

Ukrainian Prime Minister Arseniy Yatsenyuk says his country has imposed a ban on transit flights over Ukraine for all Russian airlines.

• November 25, 2015

Pro-Ukrainian activists prevented repairs to sabotaged power lines leading to Crimea on Monday, keeping the Russian-annexed peninsula starved of electricity for a second day and tensions between Moscow and Kiev high.

• November 23, 2015

Crimea was left without electricity supplies from Ukraine on Sunday after pylons carrying power lines to the Russia-annexed peninsula were blown up overnight.

• November 22, 2015

Moscow and Cairo signed an agreement on Thursday for Russia to build a nuclear power plant in Egypt, with Russia extending a loan to Egypt to cover the cost of construction.

• November 19, 2015

Europe's energy boss said on Wednesday EU member states lacked sufficient alternatives to Russian supplies and called for "an urgent political push" for strategic power and gas links to share resources.

• November 18, 2015