RIO DEL MAR — A State Parks ranger shot an unleashed dog Tuesday evening in the Rio del Mar section of Seacliff State Beach when the dog attacked the ranger, State Parks officials said. The dog, a 9-month-old, 52-pound pit bull-Labrador mix named Diego, may have been hit by a bullet, but ran off and had not been found by Wednesday evening. Kirk Lingenfelter, area parks superintendent, said the officer, whose name is being withheld pending investigation, was on routine patrol. The ranger encountered a woman on the beach around 6 p.m. with two dogs, after it closed for the...