Fremantle players Luke Ryan, Michael Frederick and Jason Carter have escaped police prosecution but the trio still face club sanctions after attending a house party.
The Dockers are investigating the actions of the three players after they appeared in a video posted to social media while coronavirus restrictions were in place.
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“I'm not going to waste valuable police time, we've made an assessment, there's nothing to see here in terms of any breach,” WA Police Commissioner Chris Dawson told 6PR on Thursday.
Seven people are seen in the video, which was reportedly filmed in Perth on Sunday night.
Western Australia had restricted gatherings to two people until Monday, when the limit was raised to 10 people.
An AFL spokesperson told AAP that the league was aware of the incident and would await results of the police investigation before making further comment.
A Fremantle club spokesman confirmed an investigation was under way on Wednesday.
“We have been made aware of a video of a small gathering of people at a home on Sunday night, including three Fremantle players,” the Dockers spokesman said.
“We are in the process of speaking to the players involved and gathering all the relevant details and information.
“Once that is completed, the club will be in a position to comment further.”
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Ryan, 24, emerged as an important intercept defender for Fremantle last year and played his 50th AFL game in round one this year before the season was put on hold because of the coronavirus outbreak.
Carter, 20, has played only two senior games, and 19-year-old Frederick is yet to make his AFL debut after being drafted last November.
The alleged incident involving the Dockers trio comes just days after NRL players Nathan Cleary, Latrell Mitchell, Josh Addo-Carr and Tyronne Roberts-Davis were fined for similar offences.
Last month, North Melbourne AFL players Cameron Zurhaar and Nick Larkey were forced to apologise for hosting a party and breaching social distancing guidelines.
On the same night as Zurhaar and Larkey's party, Geelong vice-captain Mark Blicavs also hosted at a gathering at his house, which he later apologised for.