Warning: Graphic image.
A five-year-old boy ended up with a huge kitchen knife sticking out of his skull after his friend threw the blade at him as they played together.
The incident took place in the San Rafael colony in the municipality of Puerto Penasco, in the north-western Mexican state of Sonora.
Local authorities said Gabriela N., 33, was looking after her eight-year-old son as he was playing with his friend Ivan N., 5.
Gabriela N. reportedly said her son suddenly picked up a kitchen knife and threw it at the younger boy.