Police, ambulance and fire crews from both side of the border went to the village of Hanmer, between Ellesmere and Whitchurch, just after 10.30am on Thursday.
Shropshire fire and rescue service said it was called to reports that someone was trapped inside a vehicle and Wales Ambulance said it sent crews to the scene. The condition of the patient is not known.
A spokesman for North Wales Police said: "We had a concern for safety call which involved a vehicle in Hanmer. It appears to have been a medical episode."