SEASIDE PARK, N.J. -- Authorities say an explosive device discharged in a Jersey Shore town shortly before thousands of runners were due to take part in a charity 5K race to benefit marines and sailors.
No injuries were reported in the blast in Seaside Park, which occurred around 9:30 a.m. Saturday.
The race - the third annual Semper Five run - was canceled.
The device was in a garbage can when it exploded. Authorities immediately cleared the boardwalk and beach area.
Officials say runners had been scheduled to pass by the area around the time the blast occurred. But the start of the race had been delayed after an unattended backpack was found.
Numerous state and federal law enforcement agencies are investigating.
It wasn't clear when the boardwalk and beach will reopen.
Explosive device discharges before Marines charity 5K at Jersey Shore; no injuries
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