<p>A mentally disabled woman was left alone inside a dark-colored van parked in the sun with the windows closed Tuesday while her caretaker was in a Shadyside tattoo parlor, city police said.</p>
<p>The 45-year-old woman, who police said is unable to speak and wheelchair-bound, was taken to UPMC Presbyterian hospital in Oakland for treatment of heat-related problems, police said. She was released following treatment.</p>