BALTIMORE (WJZ) — Two people have died due to heat in Maryland this week, bringing the total heat-related fatalities in the state this year to four.

The victims are an 18 to 44-year-old man in Prince George’s County, a 45 to 64-year-old woman in Worcester County, a 45 to 64-year-old man in Baltimore and a woman over the age of 65 in Anne Arundel County.

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The victims in Prince George’s and Worcester counties died this week.

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Officials are working to determine if one of the victims was homeless.

28 people died due to heat in 2018, up significantly from 5 in 2017, 17 in 2016, 6 in 2015 and 8 in 2014.

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More extreme heat is in the forecast for the rest of the week and into the weekend.