A Hans Zimmer concert at Oakland Arena was delayed due to a bomb scare that resulted in a thorough venue search and no explosives found.

OAKLAND, Calif. - Gates and parking at the Oakland Arena have reopened after being closed ahead of Thursday night's Hans Zimmer concert. A large police presence and plenty of confused and frustrated fans congregated outside the venue, though it remains unclear what exactly took place that caused the arena to inexplicably shut down.

The Hans Zimmer concert at Oakland Arena is delayed, the arena’s X page announced Thursday. The arena posted about the delay at 8:21 p.m. The concert was slated to begin at 8 p.m. Parking and entry gates have since reopened.