SIERRA VISTA — A pursuit of a vehicle suspected to be loaded with illegal immigrants was called off after speeds reached upwards of 100 mph on Highway 90, police said. Officers responding to a report of a “load” vehicle spotted the Chevrolet Impala as it traveled south near the Sierra Vista Municipal Airport around 2:23 p.m. Thursday, said Tracy Grady, public information officer for the Sierra Vista Police Department. As many as seven people were inside the car during the pursuit, which was called off for safety reasons, Grady said. Officers continued to follow the vehicle, however, and it was...