Denver Mayor Mike Johnston has agreed to testify before Congress over the city’s immigration policies, his office said Wednesday. The Republican-led House Oversight Committee last month sent a letter to Democratic mayors of so-called sanctuary cities,

Denver Mayor Mike Johnston has decided to testify before a congressional committee next month after being asked to explain the city’s policies limiting cooperation with federal immigration

Federal officials said they were targeting over 100 alleged members of Tren de Aragua, a Venezuelan gang with prison origins that has expanded throughout the Americas.

The high-profile operation appeared to be one of the largest targeted raids by U.S. Immigration and Customs Enforcement since President Donald Trump took office on a promise to deport immigrants with criminal records.