A U.S. Army veteran arrested during an immigration raid at a California marijuana farm says he was sprayed with tear gas and pepper spray before being dragged from his vehicle on his way to work.

A U.S. citizen and Army veteran who works as a security guard at a California cannabis farm said on Wednesday that U.S. officials arrested him during an immigration raid last week and held him for three days without explanation.

As Judge Maame Ewusi-Mensah Frimpong’s ruling rippled across the region, the federal government requested an immediate stay, pending appeal. Here’s what you need to know.