"This is the darkest day in the history of the Santa Cruz Police Department, " Police Chief, Kevin Vogel.

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World ice hockey chief Rene Fasel said the crash in Yaroslavl was "the darkest day in the history of our sport".

BBC: Ice hockey world mourns Yaroslavl air crash in Russia

The impact of English football's darkest day lives on in the tributes still paid by Liverpool to its lost sons and daughters, husbands and fathers.

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The defeat against England was described by one newspaper as "the darkest day in the history of Springbok rugby" and left the side fifth in the world rankings.

BBC: SA coach safe for now

And on this day, we recall that at our darkest moment, we summoned a sense of unity and common purpose.

WHITEHOUSE: Weekly Address: A Day That Tested Our Country