Updated at 9:20 a.m. with additional details:

GRAND HAVEN, MI - A suspect is in custody this morning after breaking into the U.S. Coast Guard Station in Grand Haven and assaulting Coast Guard personnel, according to a release by the Grand Haven Department of Public Safety.

Per the release, the male suspect crashed his truck through the gate of the Grand Haven Coast Guard Station, 601 S. Harbor Drive, before breaking into the facility at approximately 6:07 a.m, on Sunday, Feb. 8.

The U.S. Coast Guard Station in Grand Haven is located at 601 S. Harbor Drive.

The suspect, whose name has not yet been released, allegedly assaulted coast guard personnel and made the threat of an explosive device in the truck. Police said the suspect is not a resident of Grand Haven.

All Coast Guard personnel are safe, but Harbor Drive and the boardwalk are closed "until further notice."

Residents are asked to stay away from the crime scene.

Additionally, residents of Sand Piper Condos are advised to shelter in place and remain in their respective residences until the all clear is given.

Grand Haven police say that the investigation is expanding to areas outside of Grand Haven with the Michigan State Police and the FBI's Grand Rapids Office providing assistance.

Additional law enforcement personnel and resources are heading toward Grand Haven to secure the area, police said.

MLive is heading to the scene in Grand Haven and will post updates as they become available. A press briefing is schedule for mid-morning.

Dillon Davis is a staff writer at MLive Muskegon Chronicle. Email him at ddavis11@mlive.com and follow him on Facebook and on Twitter.