Ash Wednesday, children playing and Fashion Week: The World in Photos, Feb.

A look at the top photos from around the globe.

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The Gravedigger’s Wife l 20/20 l PART 1

The Gravedigger’s Wife l 20/20 l PART 1

Lori Vallow gets married in Hawaii as authorities search for missing kids: Part 1 Recently widowed, Vallow had been married four times before her marriage to Chad Daybell, whose spouse had also recently died. WATCH THE FULL EPISODE OF 20/20: #ABCN...

How did a plane’s engine fall apart minutes into a flight from Denver?.

How did a plane’s engine fall apart minutes into a flight from Denver?.

A United flight bound for Hawaii had 231 passengers on it when some saw an engine breaking apart outside their window. The NTSB says there was evidence of metal fatigue.

UN secretary general: ‘We need a global vaccination plan’.

UN secretary general: ‘We need a global vaccination plan’.

U.N. Secretary General Antonio Guterres sits down with ABC News’ Juju Chang to discuss efforts to provide COVID-19 vaccines to all countries, and concerns about climate change and misinformation.

Congresswoman and son co-author book on opioid addiction, journey to sobriety.

Congresswoman and son co-author book on opioid addiction, journey to sobriety.

Rep. Madeleine Dean, D-Pa., and her son's struggle with opioid addiction and the road to recovery in their new book, “Under Our Roof: A Son’s Battle for Recovery, a Mother’s Battle for Her Son."

Entrepreneur Sheila Johnson’s trailblazing success

Entrepreneur Sheila Johnson’s trailblazing success

ABC News’ Kyra Phillips sits down with the first Black female billionaire, Sheila Johnson, to discuss the importance of investing in people, community and culture.