PROVO, Utah (KSL.com) — The University of Utah police department arrested an 18-year-old individual Tuesday after a member of BYU’s travel party alleged she was hit with a water bottle during the Cougars’ rivalry tilt at Rice-Eccles Stadium over the weekend. Jocelyn Allan, who has overseen the Cougars’ coed and all-girl cheer squads since 2010, said she lost consciousness after an object struck her on the way to the field Saturday night, adding that a “Utah fan in the table seats in the south end zone” threw a water bottle that struck her “directly” in the head after BYU’s emotional 22-21 win …