Several armed people were taken into custody after officers responded to a report of a suspicious person outside the detention center, officials said.

Several suspects are in custody after a police officer was injured in a shooting at an Immigration and Customs Enforcement detention facility in Alvarado, Texas, in the late-night hours of the Fourth of July,

Alvarado police offers were dispatched to the detention center in the 1200 block of Sunflower Lane around 10:56 p.m. Friday, according to the Johnson County sheriff’s office. The call was made to investigate a report of “a suspicious person.”