The police in Tokushima said they had arrested the driver, Keiji Go'o, a 39-year-old farmer who they said was behind the wheel of a small cargo van when he struck the two pedestrians — Sachiko Nakanishi, 72, and Kayoko Ikawa, 60 — at an intersection. Ms. Nakanishi died of a broken neck, the police said; the extent of Ms. Ikawa's injuries was not disclosed....