Ross Airey, 57, of Courtney Drive, Sunderland, has been charged with possessing prohibited ammunition and possessing an explosive substance for an unlawful purpose.
The charges follow the discovery of suspicious items at an industrial premises on European Way, in the Pallion area of the city, on November 14 2025.
Arrest and charges
Airey was detained after a joint operation between Counter Terrorism Policing North East (CTPNE) and Northumbria Police on November 16 2025.
On Wednesday, CTPNE confirmed that Airey had been charged with one count of possessing prohibited ammunition and one count of possessing an explosive substance for an unlawful purpose.
Court appearance
He is scheduled to appear before South Tyneside Magistrates' Court on Thursday, November 12.
CTPNE stressed that Airey's alleged offences are not connected to terrorism and that no terrorist charges have been brought against him.
A second man who was also detained was subsequently released without charge, police confirmed.