TEMECULA (CBSLA.com) — Authorities say four people were injured in a hot air balloon crash in Temecula.

Mark Annas, a public information specialist for the Riverside County Fire Department, says the balloon had an uneventful landing at the corner of Vino Way and Calle Cabernet on Saturday morning.

READ MORE: Three Takeaways From Dodgers 2021 Season, NLCS

Shortly after landing, the balloon exploded.

Five people were on board at the time.

Four sustained burn injuries, Annas said.

READ MORE: 3 Shot In Downtown LA, 1 Dead

Of the injured, three had major injuries while the fourth person had moderate injuries.

The FAA and NTSB are expected to investigate.

No further information was immediately available.

MORE NEWS: Man Accidentally Discharges Gun, Wounds Neighbor

(©2013 CBS Local Media, a division of CBS Radio Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. Wire services contributed to this report.)