Kirill Basin

The man who knocked out a Hawaiian congressional candidate says he only did so because the guy threatened a woman with gun violence. Kama Homan spoke to Hawaii News Now about the brawl ... and he explained he threw hands with candidate Kirill Basin after Kirill allegedly told a 61-year-old…

2:05 PM PT -- Maui Police Department tells TMZ ... at one point, Kirill Basin had pulled out a knife -- injuring himself in the process. He allegedly chucked it into the ocean before the cops arrived. They say a bystander found the alleged knife and turned it over to police. MPD tells us the whole…