<p>An explosion at a hydroelectric power plant in Mingacevir plunged Azerbaijain’s capital, Baku, into darkness on July 3</a>, Radio Free Europe (RFE) reported.</p><p>High temperatures and a power surge caused by the heavy used of air conditioning were blamed for the explosion, RFE said.</p><p>Azerbaijan’s energy minister was quoted by local press</a> as saying that electricity had been restored to all strategically important facilities later in the morning of July 3. Credit: Radio Free Europe/Radio Liberty via Storyful</p><br />
