PORTLAND

A Norwegian man charged with making threats against Maine police officers via email and Twitter will be detained until at least next week, a judge ruled on Thursday.

Espen Brungodt, 28, appeared in federal court in Portland on Thursday after being arrested and charged the previous day with making threatening interstate communications.

Magistrate Judge John H. Rich III told Brungodt he will face a probable cause hearing and a bail hearing on Aug. 9. He will remain jailed until then.

The Portland Press Herald reported on Wednesday that it received a threatening email from someone who said it was “time for more police to die.” The email sender threatened to “shoot and kill” officers.

Defense attorney David Beneman was appointed to serve as the lawyer for Brungodt, who did not enter a plea. Later, Beneman declined to discuss a possible motive or how Brungodt would plead.

Law enforcement officials said they confronted Brungodt in the lobby of a Portland hotel and asked if there was any immediate danger stemming from his threat. He responded that the threats “had the desired effect,” investigators said in court records. Authorities also say that Brungodt admitted to making the threats via email and social media.

Brungodt, whose Facebook page lists his hometown as Bergen, faces up to five years in prison and a $250,000 fine.

Police have said Brungodt entered the U. S. through Boston last month with family members who were not aware of his threats.

Federal prosecutor Michael Conley said in court that the Norwegian consulate in New York has been notified of Brungodt’s arrest.