Attorneys, family members and journalism advocates gathered at the state Capitol on Tuesday to call for the release of Mario Guevara, a Spanish language journalist detained by immigration officials.

An immigration judge in Georgia has granted bond for a well-known Spanish-language journalist arrested while covering a protest last month. That means he will be free as the government seeks to deport him from the United States.

Hispanic Heritage Month is a federally designated event that runs Sept. 15 to Oct. 15. It’s a time to celebrate how people with roots in Spanish...