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

A deadly biker brawl and the fight for Ramadi are among our top stories.

Good morning. These are some of the stories we’re tracking at NBC News.

1. Nine killed in Texas biker shootout

Nine people have been killed and 18 injured in a biker brawl in Texas that turned into a shootout. Police exchanged fire with the bikers before it was over. Police say as many as 200 bikers were involved. Read more in NEWS.

2. Militiamen push to retake city from ISIS

Thousands of Shiite militiamen are massing to try to take the Iraqi city of Ramadi from ISIS. The militants captured the city over the weekend in a major setback for the Iraqi government. Read more in NEWS.

3. U.S. cracks down on militarization of police

President Barack Obama plans to announce on Monday that the federal government will no longer provide heavy military equipment like tanks and grenade launchers to local police. Read more in NEWS.

4. Ireland votes on gay marriage

Ireland this week will become the first country in the world to vote on whether to legalize gay marriage. Early opinion polls showed a big lead for “Yes,” but now the prime minister says it’s too close to call. Read more in NEWS.

5. Extreme athlete killed in jumping accident

Extreme athlete Dean Potter has been killed in a jumping accident at Yosemite National Park. He and another man were attempting a wingsuit flight, trying to navigate a gap between two notches, and smashed into a rocky outcropping. Read more in NEWS.

6. Final four set in NBA

The NBA’s conference finals are set after the Houston Rockets beat the Los Angeles Clippers in Game 7. The Rockets will take on Golden State in the next round. The Cleveland Cavaliers will meet the Atlanta Hawks. Read more in SPORTS.

7. Big haul for Taylor Swift at Billboards

Taylor Swift was the big winner at the Billboard Music Awards. She took home honors for top artist, top female artist and top album. Kanye West was booed during his performance at the end. Read more in POP CULTURE.

Nightly Spotlight

She hasn’t been able to hear for almost a decade, but this jazz musician still commands the stage. Watch the report from NIGHTLY NEWS: