MALANG, Indonesia—Police firing tear gas after an Indonesian soccer match in an attempt to stop violence triggered a disastrous crush of fans making a panicked, chaotic run for the exits, leaving at least 125 people dead, most of them trampled upon or suffocated. Attention immediately focused on police crowd-control measures at Saturday night’s match between…

MALANG, Indonesia—Police firing tear gas after an Indonesian soccer match in an attempt to stop violence triggered a disastrous crush of fans making a panicked, chaotic run for the exits, leaving at least 125 people dead, most of them trampled upon or suffocated. Attention immediately focused on police crowd-control measures at Saturday night’s match between…