South Perth-based Aquarius Platinum Ltd's primary underground mining contractor at its Kroondal and Marikana mines, Murray & Roberts Cementation, has dismissed 3,250 employees following an unprotected strike.

South Perth-based Aquarius Platinum Ltd's primary underground mining contractor at its Kroondal and Marikana mines, Murray & Roberts Cementation, has dismissed 3,250 employees following an unprotected strike.