The Special Response Teams (SRTs) are tactical units under ICE that use BearCat tracked vehicles, long guns and tactical vests in operations considered high risk. They were used in the raid on Sean “Diddy” Combs’ home, for example. They were most recently used in Los Angeles and are seen as among the reasons protests began.

Protests unfolding nationwide against President Donald Trump’s immigration agenda come as Immigration and Customs Enforcement races to meet White House arrest quotas.

As immigration protests spread throughout the country, sources tell NBC News that ICE is preparing to deploy its Special Response Teams to five cities run by Democratic leaders, including Chicago and Philadelphia.

Protests erupted nationwide, including in San Francisco, Chicago and NYC, after tensions escalated in LA over immigration raids. See the photos.

NYPD arrests 24 protesters occupying Trump Tower lobby during anti-ICE demonstration as similar protests emerge across the country in response to ICE operations in Los Angele

RALEIGH, N.C. (WTVD) -- Thousands of people marched through downtown Raleigh starting at Moore Square, blocking off several streets, protesting not just what happened in California, but also proposed laws in North Carolina.