Health Unit Reports Massive Spike In Fentanyl Overdoses SHARE ON: A spike in fentanyl related overdoses is being reported by the local health unit. The Leeds, Grenville and Lanark District Health unit says from April 28-May 3, they reported 27 fentanyl related overdoses, with the majority of them coming from Brockville. Jennifer Adams is a Harm Reduction Coordinator with the health unit and she says this is the biggest spike they’ve seen since they began using the Overdose Early Warning System. “I think this is just an ongoing continuation of the overdose crisis, being impacted by multiple different factors, including the pandemic,” Adams said.