Washington, Rabi'II 21, 1437, January 31, 2016, SPA -- At least one person was killed and numerous others were wounded Saturday in what authorities say was a shooting and stabbing melee at a motorcycle expo in the US state of Colorado, dpa reported. The violence occurred at Denver Coliseum where the motorcycle expo was taking place on the sidelines of a livestock show. A witness quoted by the Denver Post said the feud was started by rival biker gangs. No arrests have been made, a Denver police spokeswoman said. The spokeswoman told reporters there were shots fired and at least one stabbing. "We do have one deceased party and multiple other victims," the spokeswoman said. --SPA 10:38 LOCAL TIME 07:38 GMT www.spa.gov.sa/w