There was an increased police presence in Lucan-Biddulph on Saturday.
Middlesex Ontario Provincial Police (OPP) responded to a Butler Street address at around noon for what they called an 'active incident'.
In a social media post, police officials assured that there was no threat to public safety.
Officers were on the scene for hours. Just after 10:30 p.m., police confirmed that the incident involved a barricaded person and that it had been resolved.
One person was arrested and taken to hospital as a precaution.