Police were called at around 3.20pm on Sunday 12th October, following an incident in Grangetown in which it is believed threats were made with a firearm.
Armed officers attended Wilton Way and the road was cordoned off for several hours, while a number of addresses were searched in connection with the incident.
A 21 year old local man has been arrested on suspicion of threats to kill and possession of a firearm and will be questioned by police.
No-one was injured in the incident and anyone with information about the incident is asked to contact Cleveland Police on the non-emergency number 101, or alternatively the independent charity Crimestoppers on 0800 555 111.
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