Horrified nanny secretly films evil mum beat son, 3, and pick him up by his hair

This is the shocking moment a mother beats her defenceless three-year-old son in front of the boy's nanny.



The disturbing scenes were filmed by the nanny in a holiday home in the city of Hurlingham, in the Argentinian province of Buenos Aires.



In the video, the mother can be seen trying to dress her son.



The woman shouts at the boy: "You ruined my life. I got up, son of a b*tch!"



Gonzalez lifts the boy and drops him onto the floor, before smacking him on his bottom.