Authorities were trying Sunday to discover the types of drugs involved in a spate of overdoses that killed seven people in the Cleveland area a day earlier. The deaths Saturday was the latest outbreak of drug overdose deaths in Ohio. Tests were being conducted to figure out which drugs were involved, Cuyahoga County Medical Examiner Thomas Gilson said.

Officials suspect they were either heroin or fentanyl. “This cluster of deaths is deeply concerning,” Gilson said in a statement. “Although there is no clear link between the individuals, this number clearly raises the possibility of a very deadly drug in our community.” READ MORE