Police are putting on more patrols in Bala following the murder of a man in the Gwynedd town last Saturday.
Julius Hecko, 23, has been charged with killing fellow Slovakian, 42-year-old Branislav Gula.
Police said four other people arrested in connection with assisting an offender have been released on bail.
Insp Mark Armstrong said meetings were being set up with local groups to discuss any concerns.
He added there was a need to reassure and reach out to all parts of the community, particularly those from eastern Europe.