(BBC NEWS) Mexican protesters have shut a US southern border crossing amid fears that untested American travellers will spread coronavirus.
Residents in Sonora, south of the US state of Arizona, have promised to block traffic into Mexico for a second day after closing a checkpoint for hours on Wednesday.
They wore face masks and held signs telling Americans to "stay at home".
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Mexico has fewer than 500 confirmed Covid-19 cases and the US over 65,000.
