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

From the scandal erupting in international soccer to the rising death toll in the flooding across Texas, see the stories we're following today.
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Good morning. Here are some of the stories we’re following today:

1. FIFA officials arrested over alleged corruption

The beautiful game is getting ugly. Seven high-ranking international soccer officials were arrested at a luxury hotel in Switzerland on Wednesday as part of a U.S. investigation into corruption at the sport's governing body. Hours later, FIFA's headquarters were raided as part of a parallel probe into alleged bribes relating to the awarding of two World Cup tournaments. Read more in SPORTS.

2. Death toll rises in Texas, Oklahoma flooding disaster

At least 19 people have been killed across the region, including in the city of Houston, after weekend storms caused flash flooding, paralyzed travel and stranded drivers. Fourteen people were still missing in Texas early Wednesday, including two families swept away in a vacation home. Flash flood warnings remained in effect through the afternoon, and more rain was expected through the week, forecasters warned. Read more in NEWS.

3. Cleveland agrees to broad set of police reforms

City officials on Tuesday agreed to an overhaul of the police department's rules on the use of force, new oversight provisions and training to minimize racial bias. The reforms were announced as part of a settlement with the Justice Department, which concluded in December that Cleveland police had engaged in a pattern of excessive force and civil rights violations. Read more in NEWS.

4. Cyber thieves access IRS info, steal tax return data

The IRS says thieves used an online service provided by the agency to gain access to information from more than 100,000 taxpayers. In order to acquire the information, the thieves cleared a security screen that required knowledge about the taxpayer, including the Social Security number, date of birth, tax filing status and street address. The IRS said thieves targeted the system from February to mid-May. Read more in TECH.

5. Amtrak adding cameras to Northeast Corridor trains

The rail agency said Tuesday it will install "inward-facing" video cameras to improve safety, monitor engineers' performance and help investigators probe accidents and other mishaps. The move comes two weeks after a Northeast Corridor train derailed outside Philadelphia, killing eight people and injuring more than 200 others. Read more in NEWS.

6. Critics say U.S. has mixed messaging on Iraq

Secretary of Defense Ash Carter's declaration over the weekend that the Iraqis did not have the "will to fight" against ISIS was part of a "good cop/bad cop" scenario crafted by the National Security Council — and intended to send a "strong message" to Baghdad to improve their military efforts, Pentagon officials told NBC News. Read more in NEWS.

7. The 2016 race is about to get more crowded

A day after Vermont Sen. Bernie Sanders kicked off his Democratic presidential campaign, former Pennsylvania Sen. Rick Santorum is expected to be the latest to join the race for the White House on the Republican side. Read more in POLITICS.

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