Casey Councillor Sam Aziz has come under fire for a controversial Facebook post to Muslim leaders who feel "alienated in Australia" to go home.

Cr Aziz took to Facebook to vent following the fatal shooting of Narre Warren terror suspect Numan Haider, 18, at Endeavour Hills police station last night, after he stabbed two officers and allegedly made terror threats against Prime Minister Tony Abbott.

"Dear So Called Muslim Leaders — I am sorry you feel alienated in Australia. Perhaps you would be far more comfortable leaving Australia (with its liberties and welfare system) and go back to somewhere in the desert in Arabia, where you can engage in oppression, violence and any other 7th Century activity that does not belong in a civilised country in our time," he wrote.

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