The Sparks Police Department asked for the public’s help finding a vehicle involved in a hit-and-run June 30 that left a bicyclist with cuts, bruises and a head injury after being thrown from the bike. It happened about 10:30 p.m. in the 1100 block of O’Callaghan Drive, between Sparks Boulevard and McCarran. A witness saw a green Toyota Corolla leaving the area. If anyone has information they are asked to call dispatch or Secret Witness, 322-4900.