North American Black Widow spiders have been discovered at a business on Teesside.
They are thought to have hidden in an industrial freight shipment.
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He has agreed a two-year contract at St. James' Park and becomes the tenth new face in the Magpies' first team squad this summer.
On the back of three consecutive Championship wins, the Magpies sit fourth, poised to move into the automatic promotion places.
Callum Young, who will now be 23, was last seen on August 27 last year at his home in Hylton Road.