The lawsuit, the largest ever filed by the Australian government, claims 3M hid information about the harmful effects of PFAS used at military bases. The $1.4bn case against the US company is largest filed by Canberra Key points and original sources are listed below.

• The lawsuit, the largest ever filed by the Australian government, claims 3M hid information about the harmful effects of PFAS used at military bases.S1

• The $1.4bn case against the US company is largest filed by CanberraS2