Police are investigating after shocking video footage emerged of a Perth woman allegedly unleashing a racist tirade on a group of African men - in front of women and young children.

The two disturbing videos, uploaded to Facebook by Tumaini Eliazery on Wednesday, were prefaced by the caption: "Someone asked me how was my weekend, this is what happens with my neighbour. Wait for part II you will be shocked...Please the government should do something about this behaviour".

The distressing outburst of suburban violence is understood to have unfolded in Hardy Road, Cloverdale on Saturday, March 28.

The first video shows the woman peering over a fence yelling racist taunts at the group.