North Wales Police are appealing for the public's help after a taser was stolen from one of their officers.
The force said the officer was assaulted on Bangor High Street at 1:30pm on Thursday afternoon. They were not seriously hurt but the taser was stolen during the incident.
Five men have been arrested and are in police custody - but the taser is still unaccounted for.
They have advised not to handle the taser if it is found and to call 999.