Refugee protesters blocked the entrance to Flemington Racecourse on Tuesday morning, holding a banner reading: "All refugees in detention are political prisoners".
The Whistleblowers, Activist and Citizens Alliance (WACA) posted footage on social media showing protesters unfurling a long banner in the wet weather as they blocked the entrance to the racecourse.
Another banner at a separate entrance read: "Stop the Race-ist nation #Disrupt2018", according to WACA.
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Victoria Police said six people were taken into custody following the protest.
Access to the racecourse is still open via Epson Road.

