 within your groin or around your neck, and then you put that thermal blanket over yourself, it actually insulates that cool inside and keeps the area cooler. Well, according to the Maryland Department of Health, there have been four heat-related deaths so far this year. And those high temperatures made for a popular pool day in Baltimore. And in fact, last night, the city held its first ever, and its first of four, Splashfest pool parties at Druid Hill Park. 11 News reporter Tori Yorkey has more.