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Rep. Ryan Costello, R-Pa. Photo: Tom Williams / CQ Roll Call

Rep. Ryan Costello (R-Pa.) told MSNBC’S Kasie Hunt on Sunday evening that he will not seek reelection this year as he's facing an uphill battle in a newly-redrawn district in the suburbs of Philadelphia.

The backdrop: Costello had filed to run in the GOP primary for the state's 6th congressional district in May. But his district was transformed by the recent redrawing of the state's congressional districts after the state Supreme Court ruled that the prior GOP-crafted map was unconstitutional. The new map is expected to make elections more competitive and put several Republican-held seats in play for Democrats this year. For example, Costello's district went from +1 Clinton in 2016 to +9 on the new map.

Go deeper

Updated 2 hours ago - Politics & Policy

Omicron dashboard

Illustration: Shoshana Gordon/Axios

  1. Health: Coronavirus variant surveillance varies widely by state — Omicron cases confirmed in 5 U.S. states America probably won't lead the effort to understand Omicron.
  2. Vaccines: Omicron adds urgency to vaccinating world — Omicron fuels the case for COVID boosters — Moderna loses patent battles tied to COVID vaccine.
  3. Politics: Nevada to impose insurance surcharge on unvaccinated state workers — New Jersey GOP lawmakers defy statehouse COVID policy — Oklahoma sues Biden administration over Pentagon vaccine mandate — Omicron travel bans are sign of what's to come.
  4. World: WHO: Delta health measures help fight Omicron — COVID cases surge in South Africa in sign Omicron wave is coming — Germany approves new restrictions for unvaccinated people.
  5. Variant tracker: Where different strains are spreading.

Prosecutors charge parents of Michigan school shooting suspect

Photo: Scott Olson/Getty Images

The parents of a 15-year-old accused of killing four students and wounding seven other people at a Michigan high school have been charged with involuntary manslaughter, according to court documents.

Driving the news: James and Jennifer Crumbley were each charged with four counts of involuntary manslaughter.

3 hours ago - World

Putin to demand legal guarantee against NATO expansion in call with Biden

Biden and Putin meeting in Geneva in June. Photo: Mikhail Metzel\TASS via Getty Images

Russian President Vladimir Putin is demanding a legally binding guarantee that NATO will not expand east — including to Ukraine — and plans to raise the issue in an upcoming phone call with President Biden, according to the Kremlin.

Why it matters: Russia has massed more than 94,000 troops on the border with Ukraine and could be preparing for a large-scale invasion at the end of January, Ukraine's defense minister said Friday.