According to Adams County Sheriff's Office spokesman Terrance O'Neill, the incident happened in front of the Subway in the 7300 block of Federal Boulevard.
Police say three people were driving the man, who was suffering from an unknown aliment, to the hospital when they pulled over into the parking lot of the Subway.
The man died after they pulled over. Police say there was no external trauma visible on the man.
The incident is under investigation.
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