Final day of Calgary Stampede

One horse died instantly and two others were put down by veterinarians after a crash at the Calgary Stampede's GMC Rangeland Derby on Thursday.
One horse died instantly and two others were put down by veterinarians after a crash at the Calgary Stampede's GMC Rangeland Derby on Thursday. (CBC)

The 100th Calgary Stampede draws to a close on July 15th amid controversy and protests after three horses died during a chuckwagon race earlier in the festival.