sentences:  KTNV Channel 13 news reported that the Hells Angels attacked the Mongols members, sending three to a hospital, two of whom suffered from stab wounds.No arrests were made and local authorities report that they are looking for suspects involved in the attack.On October 28, 2014, in San Gabriel, California, Mongols member David Martinez allegedly shot and killed Pomona Police SWAT Team member Shaun Diamond.