The World Health Organisation (WHO) urged rich countries on Friday to reconsider plans to vaccinate children and instead donate COVID-19 shots to the COVAX scheme for poorer countries.
WHO chief Tedros Adhanom Ghebreyesus also said the second year of the pandemic was set to be more deadly than the first, with India a huge concern.
"I understand why some countries want to vaccinate their children and adolescents, but right now I urge them to reconsider and to instead donate vaccines to #COVAX," he told a virtual meeting in Geneva.
Indian Prime Minister Narendra Modi sounded the alarm over the rapid spread of the coronavirus through India's vast countryside on Friday, as the country's official tally of infections crossed 24 million and over 4,000 people died for the third straight day.
More than 160.71 million people have been reported to be infected by the coronavirus globally and 3,477,379 have died, according to a Reuters tally.
Infections have been reported in more than 210 countries and territories since the first cases were identified in China in December 2019.
US President Donald Trump said on Saturday he had been told about the concept of a deal with Iran, but was waiting for the exact wording, while warning there was still the possibility of restarting strikes on the country if Tehran misbehaves.
The Israeli military issued an urgent warning on Sunday to residents of 11 towns and villages in southern Lebanon, urging them to evacuate their homes and move at least 1,000 metres (3,300 feet) away to open areas.
Ukrainian drones attacked Russia's Baltic Sea port of Primorsk on Sunday, temporarily setting it on fire, local governor Alexander Drozdenko said on the Telegram messaging app, as Kyiv launched a wave of strikes on targets across the country.
Heavy rains that hit northeastern Brazil over the last 48 hours have killed at least six people and displaced thousands in the states of Pernambuco and Paraiba, the federal government said in a statement on Saturday.
Austrian police have arrested a 39-year-old suspect on Saturday in connection with a case in which rat poison was placed in jars of baby food in what their German manufacturer called an attempt to extort it.