Emergency responders in Chippewa and Eau Claire counties spent Wednesday searching for two people missing in separate incidents in the Chippewa River. By the end of the day, both searches came up empty. In Chippewa County, officials have been searching for 45-year-old Kyle Anderson, of Altoona, who is believed to have fallen out of a boat into the river near the Lake Wissota dam sometime after 3 p.m. Sunday. In Eau Claire County, Eau Claire Fire Department personnel began searching the river and its west bank at about 4 a.m. Wednesday for a female who is believed to have fallen or jumped from the middle of the Lake Street bridge.