Brazil’s World Cup qualifying clash against Argentina was dramatically suspended shortly after kick-off on Sunday as controversy over Covid-19 protocols erupted. Amid incredible scenes at Sao Paulo’s Neo Quimica Arena, the match between the two giants of South American football came to a halt when a group of Brazilian public health officials came onto the pitch, triggering a melee involving team staff and players. Argentina’s players trudged off the pitch to the locker room as the furore arranged. Argentina captain Lionel Messi later re-emerged from the tunnel without his team shirt...