The entrance to the attraction was taped off and there was blood on the steps following the incident last night.
A man was treated for a head injury at the scene
Police investigate incident outside museum.
More from Local News
-
County-wide CCTV funding boost
Crime hotspots made safer
-
New tree chopping rules for Plymouth
City preserving green spaces
-
City lose at home to Cardiff
Match Report: Exeter City 0-1 Cardiff City
-
Devon students get cyber crime lessons
Police roll out workshops
-
Popular East Devon literary festival returns
Two top comics to headline
