UPDATE: 20 men, including a N.D. National Guard judge advocate general officer, arrested for prostitution

UPDATE 5/16/2017: Authorities say 20 men were arrested Friday as part of an anti-prostitution operation, including a judge advocate general officer for the North Dakota National Guard.

Police say 18 men and two juvenile men were arrested.

The operation was designed to attract people looking for sexual activity illegally online.

The men were a wide range of ages, some in their 20s and others, in their late 50s.

They're also from different states, some North Dakotans and others from Texas, Louisiana and Nevada.

So far, no formal charges have been filed.

ORIGINAL STORY 5/15/2017: A judge advocate general officer for the North Dakota National Guard and others were arrested for prostitution at a Bismarck hotel Friday night.

Police say the paperwork isn't finished and no charges have been filed.

The North Dakota National Guard says the man works part-time, but is still employed.

The Guard will wait for the legal process before making any personnel decisions.