The bipartisan U.S. House Committee on Oversight and Government Reform sent a letter to Denver Mayor Mike Johnston asking him to testify. Johnston didn't say if he would but criticized Republicans in Congress on immigration.

A congressional committee on Monday asked Denver Mayor Mike Johnston to testify in Washington, D.C., next month to defend the city’s policies limiting local police cooperation with federal

Mayor Brandon Johnson says he has not decided whether to testify before Congress over the city's sanctuary city policies. Why it matters: If the mayor testifies, he will attempt to fend off federal pressure while supporting the city's immigration policy that has stood for 40 years.