On the 19th local time, outside an immigration detention center in Broadview, a suburb of Chicago, Illinois, USA,U.S. immigration and customs enforcement officers clashed fiercely with protesters, and law enforcement officers threw tear gas at the crowd¡£

According to US media reports, the US Department of Homeland Security said on the 19th that since its subordinate agency, the US Immigration and Customs Enforcement, launched an enforcement operation against immigrants in Illinois on the 8th of this month,Nearly 550 people have been arrested in Chicago.¡£