Mackay emerged from a five-hour board meeting yesterday with his job intact.
But Cardiff City Supporters' Trust chairman Tim Hartley said in a statement: "Despite yesterday's lengthy board meeting supporters are still concerned about the long term future of our manager. There is confusion over the departure of Iain Moody with Malky Mackay's agent now stating that he will make a statement if the club remains silent.
"Bluebirds fans deserve a full explanation following the board meeting, including the reasoning behind the decision to appoint Alisher Apsalyamov as acting head of recruitment.
"The events of the last week at Cardiff demonstrates the need for a new approach to the ownership and governance of professional football clubs.
"Cardiff could make a start by acting in a more transparent way and by engaging and communicating with fans. It could also consider having a supporter director who would be able to represent the fans views at the top table."
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