Reflecting what some experts see as a national trend, four of the six congressional representatives running for reelection in the North, West or Northwest suburbs next year are facing primary challenges.

Already crowded races for a pair of largely suburban Congressional seats got even more packed, and four representatives find themselves facing challenges within their own party, as candidate filing for the 2026 primary election wrapped up Monday.

A suburban congressional candidate is awaiting trial in a federal fraud case alleging she misused COVID-19 relief funds.