The Democratic Unity coalition push to oust Maduro as the country's economic crisis worsens.
The country is suffering from a severe energy crisis leading to extreme measures to save electricity.
President Nicolas Maduro asked civil servants to take five-day weekends to prevent power being wasted.
Maduro also urged Venezuelans to restrict their use of appliances, including hair dryers and irons.
This announcement earlier overshadowed US government data that indicated its oil output was at record highs.
South American country will still have the cheapest fuel prices in the world.
Oil ministers of Venezuela and Iraq are travelling to Tehran to discuss the issue.
Decision to freeze production to January levels is 'adequate' after meeting with Russia and Iran.
Scepticism about Saudi Arabia and Iran cutting production clouds meeting.
Zika virus: WHO cautions against linking virus with deadly Guillain-Barré syndrome.
The United States ranked 51st and the UK ranked 54th on Bloomberg's 2016 misery index.
Over an 8 years, agents penetrated the inner workings of Venezuela's 'Cartel of the Suns'.
Vietnam and China expected to see the biggest increase in wages.
Democratic Unity Roundtable (MUD) gets simple majority ending 17-year dominance of socialist PSUV.
Governing PSUV will face stern test as Venezuelans vote in 167 National Assembly members.
Milne is a divisive hard-left ideologue who moderate Labour MPs will struggle to rally behind.
Maduro also said he was 'doing everything to save the price and the stability of our oil'.
Right foot measures 1ft 3.79in and the left 1ft 3.59in.
Venezuela's president declares state of emergency after three soldiers and a civilian were hurt in clashes.
Corbyn is surprise frontrunner in the Labour Party leadership election.
The talks are in the beginning stages.
Conservationists call for prosecution of two men using a whale shark as surfboard.