The incident happened at 10.30pm yesterday evening outside Tup Tup Palace in Saint Nicholas Street. Police attended after a report that a member of door staff at the premiseshad been injured.
It has been established a firearm was discharged by a person travelling on a motorbike which then made off. The Man, aged 24, has been taken to hospital for treatment. The extent of his injuries are not known at this stage.
A cordon is in place and Saint Nicholas Street is closed to allow the incident to be dealt with.
Extra officers are in the area to offer reassurance and keep disruption to a minimum.
Enquiries are being carried out to trace the motorbike.
Superintendent Chris Sharman said: “We Know incidents like this cause concern and I would like to reassure thepublic that we are doing everything we can to trace the person responsible for this incident.
“Extra officers are in the city centre to help keep disruption to a minimum and offer reassurance to those who are in the city centre.
“If anyone has any informationabout this incident we would urge them to come forward and speak to us.”
Anyone with information should contact Northumbria Police on 101 ext 69191 quoting reference 1410 060615 or Crimestoppers anonymously on 0800 555 111