MOSCOW—Russian news reports said searchers on Saturday found the body of an American student who went missing several days earlier and that a man has been arrested on suspicion of murder. The body of Catherine Serou, 34, was found in a wooded area near the city of Bor, 400 kilometers (250 miles) east of Moscow, the reports said. Local news reports said Serou was last seen on Tuesday after getting into a car. Her mother, Beccy Serou, of Vicksburg, Mississippi, told NPR that her daughter had last texted her: “In a car with a stranger. I hope I’m not being abducted.” Russia’s Investigative Committee said in a statement that a woman’s body was found in Bor and that a suspect with a record of serious crimes had been arrested, but did not give names. The cause of death was not specified. Catherine Serou moved from California to Russia in 2019 …