Watertown, S.D. — A motorcycle chase ended in a crash Wednesday night in southeast Watertown, leaving the suspect injured and under investigation. Deputies were initially dispatched just before 10 p.m. to respond to a motorcycle crash, according to Mike Tanner of Go Watertown Radio. The rider, later identified as 24-year-old Seth Fisher, reportedly attempted to flee the scene while intoxicated. Authorities say Fisher left the initial crash site at a high rate of speed, prompting a pursuit through local streets. The chase concluded when Fisher crashed at the intersection of Meadow Lake Road and 457th Avenue. Emergency medical personnel arrived…