Community leaders and local organizations are helping city agencies after more than 27 people overdosed in West Baltimore on Thursday.

An unusually large number of overdoses sent crews searching alleys and homes for victims. Officials have not said what type of drug was involved.

More than two dozen people were taken to the hospital Thursday after an apparent mass overdose in Baltimore, the local firefighters union said on social media. The fire department responded “to a mass casualty incident involving multiple individuals exhibiting overdose symptoms” in the Penn-North neighborhood Thursday morning,