A university building was evacuated after "potentially suspicious items" were discovered, police said.
An 18-year-old man has been arrested and is helping detectives with their inquiries.
Officers from Northumbria Police are tonight searching a building at Newcastle University.
A force spokesman said: "P otentially suspicious items have been found and the building has been evacuated as a precaution so the items can be recovered and examined.
"Inquiries are in the early stages and we are working closely with Newcastle University.
"There is currently no cause for concern for students and the wider community."