Representative James Comer has asked the mayors of Boston, Chicago, Denver and New York City for documents and information on their sanctuary policies.

In a statement, a city spokesperson said, “We are proud that Boston is the safest major city in the United States. We have received the letter and are reviewing it.”

Republican Rep. James Comer of Kentucky has asked Wu to appear before a House committee next month, as it investigates 'sanctuary' communities and whether they are preventing federal immigration agents from removing dangerous criminals.

In a letter sent to Mayor Michelle Wu, Comer said that sanctuary cities like Boston are using “misguided and obstructionist policies” to shield migrants from law enforcement.

Massachusetts has quickly become a flashpoint for immigration enforcement, first with Fox hyping arrests in Boston. And now Republican Rep. James Comer, of Kentucky, has asked Mayor Michelle Wu to testify about the city’s policies on working with federal agents.

U.S. James Comer is asking sanctuary mayors to testify before the House Committee on Oversight and Reform on their sanctuary city policies.

Boston Mayor Michelle Wu was one of four mayors called before the House's Committee on Oversight and Government Reform to testify on their status as sanctuary cities.

Boston Mayor Michelle Wu has been called upon to testify at an upcoming hearing on so-called "sanctuary cities."

The city has been singled out as one of the nation’s four most problematic sanctuary cities and Mayor Michelle Wu has been asked to testify about its “sanctuary policies” at a public hearing next month,

Boston Mayor Michelle Wu has been asked to testify at a Congressional hearing as part of a federal investigation into sanctuary cities.

Boston Mayor Michelle Wu, along with mayors from Denver, New York and Chicago, was called to testify before the U.S. House Oversight and Government Reform Committee regarding sanctuary city

U.S. Rep. James Comer has asked four Democratic mayors to testify before the House Oversight and Government Reform Committee.