WILMINGTON, Del. (CBS) — There was a major traffic backup on Interstate 95 southbound after a fatal crash in Wilmington, Delaware, Thursday morning.

I-95 southbound was closed at I-495 for several hours due to a crash at MLK Blvd, just after 5:30 a.m.

Officials say the crash involved a motorcycle and another vehicle. At least one person was killed and another was taken to the hospital. The extent of their injuries is unknown.

I-95 reopened just before 11:30 a.m.

No further information has been released.