A Baltimore police officer involved in arresting a black man who later suffered a fatal injury during a police van ride testified at the driver’s disciplinary hearing Tuesday that the man did not show any signs he needed medical care when he was first put into the van. Officer Edward Nero testified at the hearing for Officer Caesar Goodson, the van driver who could be fired for violating department policies in the case. “He was not showing any signs of a medical emergency,” Nero, a certified emergency medical technician, said of 25-year-old Freddie Gray, who died about a week after...