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
-
North Devon drug dealer jailed
He used an encrypted app to carry out his business
-
Investigation launched into glasses theft
More than 30 pairs have been taken
-
Controversial mega site for 700 Exmouth homes approved
Residents 'gutted'
-
Devon man jailed after knifepoint robbery
Ben Fone sentenced to four years
-
X Factor star to visit Torbay for suicide prevention
Luke Friend comes home to Devon
-
New urgent treatment centre opening in Plymouth
Up to 100 patients a day will be seen there
