Six Republican senators — Bill Cassidy, Susan Collins, Rand Paul, Lisa Murkowski, John Cornyn, and Thom Tillis — have begun collaborating informally to counter President Donald Trump's legislative priorities in a closely divided Senate.

Known as the 'Gang of Six,' this group does not have a formal structure but is gaining influence by strategically opposing measures they see as overreach by the party leadership.

Trump's recent threats toward Republican incumbents appear to have backfired, emboldening senators who feel less constrained by potential political fallout.For example, on a recent Iran-related resolution, the group's support shifted the vote from 50-49 against to 50-47 in favor.

Analysts suggest that if this coalition continues to grow, Trump's ability to control the legislative agenda could be weakened sooner than anticipated.

The group's actions highlight an emerging tension within the Republican Party, signaling a more independent approach by key senators in the face of Trump's influence.