The beach and boardwalk at Seaside Park have been evacuated due to an explosion, and police are shutting down Route 35 coming into the island as they continue to investigate.

No injuries were reported as a result of the blast. The race, which had initially been delayed, has been canceled, and residents have been told to take cover.

Police are shutting down Route 35 southbound at Route 37, and are diverting drivers to Seaside Heights while they continue to investigate the possibility of a second explosive device being planted along the boardwalk.

Traffic into Seaside Park is also closed along Ocean Avenue including Central Avenue between 9th Street and I street. The Route 37 bridge will remain open, but access to Seaside Park will remain closed.

"Access to the beach is not possible today," the Ocean County Sheriff's Department said in a statement.

News 12 NJ's Kurt Siegelin shared a photo of a trash can along Ocean Ave. where the explosion apparently happened:

Others also tweeted out images of the trash can:

Donna Iannaconi said it's been chaos after first hearing the explosion:

Townsquare Media's 105.7 The Hawk, which was broadcasting from the event, was ordered to leave their studio on the boardwalk.

Point Pleasant Beach's Festival of the Sea scheduled for today has also been canceled, according to the Ocean County Sheriff's Office. So far, the Seaside Height's BBQ festival is still taking place.

Numerous state and federal law enforcement agencies are investigating the incident.

This is a breaking news report. Check back for updates.