The G7 meeting of foreign ministers looks at new ways to ensure fairer access to vaccine stockpiles and increase support for the global vaccine distribution scheme, Covax. Meanwhile, India's delegation at the meeting in London is self-isolating after two members tested positive for coronavirus. Also in the programme: opponents of Myanmar's military government say they are forming an armed force to protect their supporters and eventually replace the army; and the Facebook Oversight Board upholds ban on former President Trump's Facebook account. (Picture: British Foreign Secretary Dominic Raab (L) and German Foreign Minister Heiko Maas at the G7 meeting. Credit: EPA/Andy Rain)

Mexican authorities have promised a full investigation into the collapse of a metro overpass in Mexico City, as questions mount over the line's safety. Also in the programme: one of the world's top sports tournaments has been cancelled by Covid. And why the protests in Colombia are unlike anything the country has seen for years. (Photo: The overpass collapsed as a train was travelling over it. Credit: AFP)

The mayor of Mexico City has promised a full investigation into the collapse of a railway overpass; at least 23 people died when carriages plunged into the street below. Also in the programme: we speak to the US's top infectious diseases expert, Anthony Fauci, about the Covid pandemic in India and the US; and why is New Zealand selling off a stake in the All Blacks rugby team to an American private equity firm? (Picture: The site where a metro overpass partially collapsed with train carriages on it. Credit: Reuters/Henry Romero)

The European Commission has recommended easing restrictions on non-essential travel from overseas. Travellers must be fully vaccinated and new variants or a deteriorating health situation in non-EU countries will be closely monitored. Also in the programme: Australian citizens in India are banned from returning home, does it violate their human rights? And Christiana Figueres, former Executive Secretary of the UN Framework Convention on Climate Change, explains why this year’s climate change conference is so important. (Photo: People enjoy a Sunday at the beach in Tuscany as COVID-19 restrictions ease around Italy, May 2, 2021. Credit: REUTERS/Jennifer Lorenzini)

India has called the army in to help the capital Delhi cope with COVID-19; we hear from a government spokesperson, and from the head of the global vaccine alliance GAVI about the efforts to get vaccines where they are needed. Also in the programme: the legacy of violence in Northern Ireland a hundred years after its creation, and a BBC Africa Eye Investigation exposes corruption in the Nigerian pension system. (Picture: a man suffering from the coronavirus disease (COVID-19) is comforted by his daughter as he receives treatment inside the casualty ward at a hospital in New Delhi/ Credit: REUTERS/Danish Siddiqui)

The Indian prime minister's party, the BJP, has lost a fiercely-contested election in the state of West Bengal. Narendra Modi faces accusations of negligence after holding huge elections rallies in the state amid India's deepening coronavirus crisis. Also in the programme: How protesters in Myanmar have changed their tactics to continue demonstrations despite a crackdown that has left hundreds dead; and why are Manchester United fans still so angry with the club's American owners? (Image: Trinamool Congress party (TMC) supporters celebrate after winning an absolute majority in the West Bengal Assembly Election in Kolkata, India. Credit: Epa/Piyal Adhikary)