House Speaker Mike Johnson reversed his position on a Senate proposal to fund Department of Homeland Security border security operations after President Trump endorsed the strategy this week. Johnson had previously dismissed the Senate plan as "a joke" but changed course Wednesday following Trump's backing.

The proposal would separate funding for immigration enforcement from a broader package to reopen the Department of Homeland Security. Hard-line conservative members have expressed anger over Johnson's reversal on the issue.

Senate Majority Leader John Thune said Thursday that Republicans plan to keep the GOP-only border security funding bill "as narrow as possible" to meet President Trump's June 1 deadline for passage. Thune indicated Republicans are focused on streamlining the legislation to ensure timely approval.

The Department of Homeland Security shutdown continues as lawmakers work to resolve the funding impasse. Thune characterized the negotiations as favorable to Republicans, stating that Democrats received "zero" of the reforms they had demanded in the funding discussions.

The shift in Johnson's position highlights the influence of Trump's endorsement on Republican legislative strategy and the ongoing tensions between different factions within the party over immigration and border security funding approaches.