 OFFICIALS STRESSING SHARK ATTACKS ARE RARE, BUT SAYING THAT THE RISK CAN BE REDUCED BY SWIMMING IN GROUPS NEAR A LIFEGUARD AND AVOIDING SWIMMING NEAR PEERS. TOUGH NEWS FOR THE TEAM USA GYMNASTICS TEAM. THREE FRONT RUNNERS TO JOIN SIMONE BILES AND PARIS HAVE SUFFERED INJURIES AT THE U.S. OLYMPIC TRIALS. KAYLA DE CELO CARRIED OFF THE MAT AT AN AWKWARD LANDING ON THE VAULT. CHALICE JONES SEEMING TO HURT HER KNEE DURING WARM-UP ON THE VAULT. AND SKY BLAKELY PULLING OUT OF THE TRIALS ON THURSDAY AFTER AN ACHILLES INJURY.