Federal officials reported a death at an immigration jail in New Jersey. A 41-year-old man from El Salvador passed away on Saturday. He had been in custody since June 18.

The cause of death is not yet known and will be determined after further medical examination. The facility where the man died has faced protests over conditions for detainees. Some politicians and groups are questioning whether the death could have been prevented.

They express concerns about the care provided to people held at the facility. S. Immigration and Customs Enforcement.