Another western Sydney Liberal Party candidate could be in hot water, just days after former Chifley candidate David Barker was sacked for his damaging anti-Muslim meltdown.

The controversy erupted on Monday night, when resident James Fiander approached local councillor Jess Diaz and Liberal Greenway candidate Jaymes Diaz (father and son politicians) at a meet and greet event in Blacktown. After claiming to be told by the pair that the neighbouring seat of Chifley was a "lost cause" because there were "too many Muslims" in the area, Fiander -- a former candidate for the Climate Change Coalition -- published his comments on Twitter for all to see: