Four people have been questioned after a man was assaulted in Blaenau Ffestiniog.
It follows a search at an address in the Cromwell Street area on Saturday evening.
Detectives seized weapons and suspected class A drugs from the property - they were investigating an alleged attack in the area at around 7am on Wednesday 16th October.
Three people were arrested following the raid on suspicion of wounding, affray and possessing weapons and class A drugs.
A fourth person was held on suspicion of having offensive weapons in a private dwelling and possessing class D drugs.
All of the suspects have been released on conditional bail while police inquiries continue.
Patrols have also been stepped up in the area to provide reassurance to local residents.
District Inspector Iwan Jones of North Wales Police said: “I would like to thank residents for their support and understanding whilst police dealt with this incident in Blaenau Ffestiniog over the weekend."
“I understand the presence of firearms officers can cause concern in the community, but I would like to reassure that it was an isolated incident with no threat to the wider community."
“Local officers will continue to patrol the local area for reassurance purposes. Anyone with information about the incident on October 16th who hasn’t already spoken to officers is encouraged to contact police.”
Anyone with information about the assault should contact North Wales Police on 101 or use the live web chat, quoting reference no. 24000882932. Alternatively, call Crimestoppers anonymously on 0800 555 111.