UPDATE: Herald Sun reporter Jon Ralph has named Brian Lake as the player in question.
Lake won three premierships with the Hawks, and was the 2013 Norm Smith Medalist.
He was also a two-time All-Australian with the Bulldogs.
Brian Lake involved in Osaka scuffle. More details on our exclusive here https://t.co/OHlIljegZt
— Jon Ralph (@RalphyHeraldSun) July 9, 2018
It is believed Lake was involved at a push and shove at a bar in Japan, and could be detailed in an Osaka jail for up to 23 days without charge.
Lake was celebrating a win in the Asian AFL tournament with the Indonesian Volcanoes, before police were called to break up an altercation.
Those around the incident believe Lake was involved in the incident, although believe he did not throw a single punch.
A former AFL star has found himself in trouble with the law in Japan, following an incident during an AFL tournament in Tokyo.
According to reports from the Herald Sun, the ex-AFL star was involved in an altercation during the Tokyo tournament, with police needing to intervene following the incident.
It is believed the player has been overseas for a while, and recently agreed to play in the tournament for Australia.
The Herald Sun believe he has been arrested in Tokyo, although those reports are currently unconfirmed.