North American Black Widow spiders have been discovered at a business on Teesside.
They are thought to have hidden in an industrial freight shipment.
More top news
Clear weather develops overnight into Monday. Cold days and frosty nights. Mainly dry inland - but a wintry risk continuing in the east
Icy first thing and windy, with wintry showers lingering further south, especially at the coast. Brighter elsehwere
Emma brings you Saturday's forecast