 33-year-old man arrested after vehicular assault following a collision slowing down traffic on the West Seattle Bridge early yesterday. The incident there, Seattle police saying patrol officers received reports of an injury collision on the bridge near the first downwind to south exit. Seattle fire treated a 33-year-old driver and his 25-year-old female passenger for injuries. The passenger taken to Harborview Medical in serious condition, non-life-threatening injuries though.