TAIPEI, Taiwan (AP) — Typhoon Soudelor barreled toward mainland China on Saturday after downing trees, traffic lights and power lines in Taiwan, where at least four were killed, four are missing and dozens injured.A total of 64 people have been hurt in Taiwan and almost 2 million households are without electricity as the powerful storm left streets strewn with fallen trees.An 8-year-girl and her mother died when they were swept out to sea Thursday from a beach on the east coast, the official Central News Agency reported.