On their twitter feed, Northumbria Police has asked the public not to use social media to speculate on the ongoing situation, as there have been no reports of injuries as of yet.
"We were called to Clifford Street, Byker, at 8 a.m. this morning following reports of a man causing a disturbance at the Job Centre Plus". Moreover, it stated five members of staff have are believed to have been released with one man being kept inside.
Cops revealed the man was still believed to be holding several employees inside the centre as officers surrounded the building.
Roads were closed around the area as a precaution.
Police say at this time there is no information or intelligence to suggest this is a terrorist incident.
A knifeman held the staff of a job centre hostage in northeast England's Newcastle.
Police negotiators are at the scene and the surrounding roads have been shut as a precaution.
As a result of the incident, Tyne & Wear Metro has been suspended.
The incident was not terror-related, police said.
There's also reports that an army bomb disposal team has arrived at the scene.
Nobody was injured, the force said, and it was in contact with the man involved.