At least 12 children have been hospitalized after they were administered hand sanitizer drops instead of oral polio vaccine drops in India's state of Maharashtra.

Europe struggles with a coronavirus vaccine shortfall amid Brexit tensions. CNN's Nic Robertson reports.

For years, the Kremlin has publicly dismissed Alexey Navalny as an irrelevant blogger with little popular support. But the geographical spread of mass protests over two weekends in support of Navalny, with thousands turning out in dozens of cities across Russia, underlines how much of a challenge he and his anti-corruption message have now become for the Kremlin.

• Alexey Navalny to remain in detention ahead of hearing • Russian activist Navalny's foundation calls on Biden to sanction Putin's closest allies

This week, lawmakers in Honduras changed the country's constitution to make it virtually impossible to legalize abortion in the future -- an extreme election-year move that critics warn will further endanger women's health.

Somalia security forces are fighting armed gunmen to end a siege at a hotel in the east African country's capital Mogadishu on Sunday, according to police.

The COVAX initiative is aiming to deliver up to two billion doses of coronavirus vaccine to poorer countries by the end of 2021. CNN's Ivan Watson speaks exclusively to Aurélia Nguyen, the head of COVAX.

The foundation set up by Russian opposition leader Alexey Navalny has called on US President Joe Biden to impose sanctions on at least eight high profile Russian figures it says are close to Russian President Vladimir Putin.