 Brazilian band Soulfly accused Kan of drunkenly harassing singer Max Cavalera's stepdaughter Roxanne while on a flight from Moscow to Vladivostok on April 29, 2005.Kan reportedly approached Roxanne and her mother while they were boarding the plane; a dispute arose, and Soulfly personnel contacted the police.However, when the police arrived, they were unable to intervene in the dispute due to Kan's status as an elected official, which granted him immunity from arrest.