Security men wearing protective masks stand on a street during a 24-hour curfew amid concerns about the spread of the coronavirus disease (COVID-19), in Sanaa, Yemen May 6, 2020. REUTERS/Khaled Abdullah TPX IMAGES OF THE DAY

2CNDCRM Security men wearing protective masks stand on a street during a 24-hour curfew amid concerns about the spread of the coronavirus disease (COVID-19), in Sanaa, Yemen May 6, 2020. REUTERS/Khaled Abdullah TPX IMAGES OF THE DAY

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