A vicious Venice resident is on the run after he allegedly used a samurai sword to nearly hack off another man’s arm, leaving a bloody scene and shocking neighbors. The psychotic sword fighter allegedly used a 16-inch samurai blade to assault a 27-year-old victim on the street in front of a low-income housing complex at 720 Rose Ave. on Thursday around 6:30 p.m., according to the police and fire officials. The attacker was identified as 720 Rose Ave. resident Justin Tucker by the building’s management, nonprofit Venice Housing Corporation, which provides low-income housing and job services to the neighborhood’s inhabitants.   “You may be aware that there was an incident in front of Rose Apartments this evening,” states a wanted posted circulated in the area Friday by the nonprofit, which includes photos of Tucker. The victim’s arm was seen to be squirting blood after the attack by one witness. CA Post This man’s arm was hacked with a samurai sword.…