<span style="color: #222222;">In Venezuela,  the opposition leader Juan Guaido used his latest mass rally to reiterate an appeal to the army to end its support for Nicolas Maduro's regime and announced massive Mayday protests to oust the embattled president. </span><br />'' <br />'' <span style="color: #222222;">Guaido told supporters at the rally in Caracas yesterday that the support of the army was fundamental to oust Maduro. </span><br />'' <br />'' <span style="color: #222222;">He reminded military leaders that they have a historic opportunity resting on their shoulders. </span><br />'' <br />'' <span style="color: #222222;">Despite support from more than 50 states who recognise him as interim president, US-backed Guaido has been unable to affect Maduro's grip on the military, which continues to keep him in power, along with allies China and Russia. </span><br />'' <br />'' <span style="color: #222222;">Guaido will aim to keep up the street pressure on the regime with a huge Mayday protest on Wednesday that he said would be the largest in the country's history. </span><br />'' <br />'' <span style="color: #222222;">Meanwhile, the government has also called for mass pro-Maduro demonstrations to be held as part of its annual Mayday parade. </span><br />'' <br />'' <span style="color: #222222;">Yesterday, several thousand Maduro supporters also flocked onto the streets, responding to the ruling socialist party's call to celebrate Venezuela's exit from the Organisation of American States.</span><br />''