Three die in Mexico City World Cup celebrations

The lead

More than one million people took to the streets of Mexico City on Tuesday to mark the country's win over Ecuador

What shifts

For those following three, die, mexico, city, world, this report from BBC introduces a variable that could shift existing calculations.

The wider picture

Earlier reporting from BBC and comparable outlets sketched the conditions that would eventually produce an event like this.

Where this fits in Signal Ledger

Related coverage from the World desk.

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The editorial line

Signal Ledger reads this through the lens of three, die, mexico, city, world: More than one million people took to the streets of Mexico City on Tuesday to mark the country's win over Ecuador.