Virginia and Maryland health officials said heat-related fatalities have risen to 12 and 18 respectively since the heat wave that began June 20.

In Virginia, six of the deaths were in the state’s northern district, five in the central region, and one in the western district. All 12 fatalities were adults over 35 or those older than 65.

In Maryland, two of the statewide deaths were confirmed in Montgomery County, one in Prince George’s County, and the remaining in Baltimore, Baltimore County, Harford County, St. Mary’s County, and Wicomico County.

The District has confirmed one heat-related death.