London police are searching for a possible gunman following an incident Wednesday morning.

Around 11:30 a.m., police were called to the G.A. Wheable Adult, Alternative and Continuing Education Centre on Jacqueline Street after reports of a male walking outside of the facility with a handgun.

Police also received reports of people hearing gunshots in the area.

No one was injured.

The school was placed on lock-down but has since been lifted.

Around 1:30 p.m., police say a boy was arrested with a replica firearm.

Currently, there are no outstanding suspects.

The boy remains in custody and charges are currently pending.