The COVID-19 pandemic all over the world is exposing important weaknesses in health systems. Medical oxygen production and delivery have fallen short and Nigeria is not left out. Temie Giwa-Tubosun, Founder/CEO LifeBank on GuardianTalks talks about the oxygen bottleneck and the experience of LifeBank.

Here is why you should pick up a copy of The Guardian on Friday. Here are some of the stories to look out for when you grab a copy of The Guardian on the newsstands on Friday.

Medical experts' testimony dismissed the defendant's claims that George Floyd died from previous drug use. The police officer who kneeled on Floyd's was charged with murder and manslaughter.

Several people died after the oxygen supply to a hospital was cut off because of a problem with a gas tank. The incident comes as India grapples with an unmanageable third wave of coronavirus infections.

The conversion could pave the way to sustaining human life on Mars. It marks the first time that a resource was extracted from another planet for use by humans.

Oxygen cylinders are supplied to a Mumbai hospital and signs outside a vaccination centre read "Covishield out of stock" as India posts a global one-day record of almost 315,000 new Covid infections.

New Delhi Muslims bury their loved ones who died of Covid-19 as the country recorded more than 2,000 Covid deaths and almost 300,000 new cases, among the world's biggest daily totals since the pandemic began.

UGC images show a train carrying oxygen tankers en route to the Indian capital, New Delhi, as the country battles a catastrophic coronavirus wave that has overwhelmed hospitals and crematoriums working at full capacity.

India and Pakistan can afford to buy weapons and test ballistic missiles, but they can't cope with the COVID crisis. DW's Shamil Shams says it is time for both to invest in public health and focus less on warmongering.

The Delhi High Court warned it would take action against the central government if it failed to provide medical oxygen to hospitals across the city. The Delhi administration said it had no reserves.

A ferocious second wave of coronavirus in India has overwhelmed hospitals and caused a shortage of oxygen, leaving many helpless as they try to treat their sick relatives at home. This desperate search for oxygen often ends in grief. The capital New Delhi has been reporting at least one Covid-19 death every four minutes in the past few days, with a total of 3,400 deaths nationwide on May 2. Our correspondents Navodita Kumari, Mathilde Cusin, Jérôme Mars and Alban Alvarez report.

As India's government struggles to tackle the Covid crisis, many have stepped up to help in various ways, including one sub-contractor in Mumbai who sold his cherished SUV to start an initiative providing free oxygen.