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KNOW IT ALL: Friday's Top 6 Stories at NBC News

From Britain looking to join the airstrikes against ISIS to U.S. Attorney General Eric Holder’s resignation, see the stories we're following.

Good morning, and TGIF! Here are some of the stories we're following today:

1. U.K. considers ISIS airstrikes as bombings continue

Britain’s Prime Minister David Cameron is expected to win approval to join the U.S.-led coalition conducting airstrikes in Iraq. This would be the U.K.’s first military action since a 2011 aerial campaign in Libya. Also offering its support against ISIS is Russia, whose foreign minister said Thursday that he wants to “continue supporting Iraq in its efforts in fighting the terrorist threat.” The Russians didn’t specifically mention the U.S.-led coalition, which continued bombing targets in Iraq and Syria on Friday as part of a battle plan to “degrade and destroy” the terror network. Read more in NEWS.

2. FBI: We know identity of ISIS executioner

The feds say they’ve fingered the masked man who’s executed Westerners in ISIS propaganda videos. While FBI Director James Comey refused Thursday to give his name, he said the agency is also working to identify others in the videos who appear to have American or Canadian accents. Comey also addressed reports that ISIS is looking to launch attacks in the U.S., saying that while it’s a concern, the terror network isn’t capable of a sophisticated attack in America. Read more in NEWS.

3. Eric Holder leaves behind social justice legacy

Ending his six years under the Obama administration, Holder announced Thursday he’s stepping down as U.S. attorney general. The surprise departure comes after a rocky relationship with Congress — specifically Republicans who’ve considered him too partisan. Along with being the fourth-longest serving U.S. attorney general ever, Holder also has the distinction of being the first black attorney general and the only sitting Cabinet member to be held in contempt of Congress. President Obama said Holder is leaving behind a proud legacy of upholding civil rights laws and social justice. Read more in POLITICS.

4. Ferguson police’s appearance backfires with fighting

Following a summer of violence after the shooting death of Michael Brown, the St. Louis suburb became a chaotic scene overnight after a march broke out into several scuffles. The appearance of Ferguson Police Chief Thomas Jackson — who joined the protesters — triggered the outrage as some in the crowd demanded he step down. Earlier in the day, he released an apology video to the parents of Brown, saying he was sorry for the loss of their son, who was fatally shot by a police officer almost seven weeks ago. Read more in NEWS.

5. Storybook finale for Derek Jeter at Yankee Stadium

Derek Jeter said goodbye to fans at his last game at Yankee Stadium on Thursday night with a game-winning single in the bottom of the ninth. The Yanks ended up edging the Orioles 6-5, and as expected, the stadium erupted in cheers. Current and former Yankees players, including Jorge Posada, Mariano Rivera and Andy Pettitte, as well as Hall of Fame manager Joe Torre, lined up to give Jeter his due at the dugout. “It was above and beyond anything that I’ve ever dreamt of,” said Jeter, who’s been on a farewell tour this season. While he could play in some capacity this weekend in a final game in Boston, the 40-year-old has something else in mind for the future. Read more in SPORTS.

6. Suspect in Hannah Graham case doesn’t fight extradition

Jesse Matthew, who was captured on a Galveston, Texas, beach on Wednesday, waived extradition and could be flown back to Virginia as soon as Friday. The 32-year-old nursing assistant at the University of Virginia Hospital is wanted in connection to the disappearance of 18-year-old student Hannah Graham. Matthew has remained quiet about the case, authorities said, and Graham still remains missing. Read more in NEWS.

… What’s trending today?

An argument over the weather between toddlers became a tough lesson for one of them. After a girl pokes a boy in the chest in this video gone viral, he sulks, “Ow! You poked my heart.”

Word of advice, kid: This is only the beginning.