A 16-year-old boy has been arrested under the Terrorism Act outside a mosque.
On Thursday at around 9am, police apprehended the youth outside the Inverclyde Islamic Centre, Greenock.
It is understood police are investigating links to right-wing extremism.
He remains in custody and Police Scotland says there is no risk to the community.
Inquiries continue and officers have asked anyone with information or concerns regarding the incident to come forward.
Assistant Chief Constable Andy Freeburn said: “Shortly after 9am on Thursday January 23 a 16-year-old male youth was arrested outside the Inverclyde Islamic Centre, Laird Street, Greenock, in connection with offences under the Terrorism Act.
“The youth remains in custody and inquiries continue.
“There is nothing to suggest anyone else was involved or that there is any further risk to the public.
“We are speaking to members of the local community to provide reassurance and I would urge anyone with information or who has any concerns to please come forward and speak to officers.”