"The raids have started. Two nights ago - 156 undocumented migrants, including 12 women and two children, were rounded up.

"The youngest child was four years old. Four years old. There are videos of the raid, circulating... of migrants running, being detained, herded, made to squat, hosed down with Dettol, then marched into immigration vans, with no social distancing and into detention centres."

So begins an impassioned Facebook post shared by children and refugee rights activist Hartini Zainudin...