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KNOW IT ALL: Friday's Top 7 Stories at NBC News

From mystery wreckage possibly linked to MH370 to the murder indictment of a Cincinnati police officer, see the stories we're following today.

Good morning. Here are some of the stories we're following today:

1. Beachcombers Scour Island for MH370 Clues

The trash washing up on Reunion Island in the southern Indian Ocean is being eyed as evidence in the hunt for clues to the fate of missing Malaysia Airlines Flight MH370. The increased scrutiny on Reunion's beaches comes amid mounting suspicion that a barnacle-covered piece of debris that came ashore was from the jetliner. Read more in NEWS.

2. New Bodycam Video Shows Cincinnati Cop Shooting

The footage released Thursday shows the fatal shooting of motorist Samuel DuBose from the perspective of the two other University of Cincinnati police officers who had responded to the scene. The officer who shot DuBose — Ray Tensing — pleaded not guilty to murder Thursday and made bail. Read more in NEWS.

3. Cecil the Lion's Killer Should Be Extradited: Zimbabwe

American trophy hunter and dentist Walter James Palmer, who killed Cecil the lion, paid for an illegal hunt and should be extradited to the southern African nation to face justice, Zimbabwe's environment minister said Friday. The nation's prosecutor general had started the process to have him extradited from the United States. Read more in NEWS.

4. Moms of Missing Teen Fishermen Remain Hopeful

The Coast Guard continued searching overnight Thursday for the two 14-year-old boaters who went missing during a trip off the coast of Florida nearly a week ago. Their moms told NBC News that they're holding out hope for their survival because the boys are "like mini-MacGyvers." Read more in NEWS.

5. Jewish Extremists Eyed in Fire That Killed Toddler

A house fire in the occupied West Bank suspected to have been set by Jewish extremists killed an 18-month-old Palestinian boy on Friday, officials said. The act comes on the heels of a knifing attack at a gay pride parade in Jerusalem. Read more in NEWS.

6. How ‘Black Lives Matter’ Activists Are Shaping 2016

Activists are pushing for police officers to be punished for improper conduct and for a deeper understanding of how racism affects the black community. It's a dialogue that presidential candidates will have to address. On Friday, five presidential candidates — including Jeb Bush and Hillary Clinton — will speak at the National Urban League's annual conference. Read more in POLITICS.

7. Beijing Wins Bid to Host 2022 Winter Olympics

China's capital won its bid to host the 2022 Winter Olympics on Friday, making it the first city to be awarded both summer and winter games. Beijing narrowly beat out Almaty, earning 44 votes compared to the city in Kazakhstan's 40. Read more in SPORTS.

Nightly Spotlight

A classified government report obtained by NBC News shows that Chinese cyber spies have hacked into U.S. targets nearly 700 times, attacking every state but North Dakota.