A single worshipper wearing a surgical mask sits on a pew in Westminster Cathedral in central London. AFP / Tolga Akmen

Shi'ite pilgrims make their way to Kadhimiya to mark the death of Imam Moussa al-Kadhim during a curfew imposed to prevent the spread of coronavirus disease (COVID-19), in Baghdad, Iraq. REUTERS/Thaier Al-Sudani

A man is detained during a protest against Chile's government in Santiago, Chile. REUTERS/Pablo Sanhueza

Medical staff push a patient on a gurney to a waiting medical helicopter at the Emile Muller hospital in Mulhouse, eastern France, to be evacuated on another hospital. AFP / SEBASTIEN BOZON

A youth wearing a facemask amid concerns over the spread of the COVID-19 novel coronavirus walks past a mural depicting a train, in Mumbai. AFP / INDRANIL MUKHERJEE