LAUSANNE, Switzerland, June 23–The International Equestrian Federation is studying a mandatory helmet rule for dressage riders at horse shows–but not in the competition arena–based on a landmark policy introduced by the United States earlier this year and would standardize safety…

LAUSANNE, Switzerland, June 23–Horses on which blood appears during competition at top championships may be given a second chance to continue under a new rule being considered by the International Equestrian Federation (FEI)…