A $2 tip was enough to allegedly trigger a pizza delivery driver to return and stab a pregnant woman customer at a motel in Florida.

Brianna Alvelo, 22, has been arrested and charged with a series of violent charges after allegedly attacking a pregnant woman who had not given her a large tip in Kissimmee, Florida

The victim was staying at a motel with her young daughter when she was stabbed 14 times - allegedly over the tip for a pizza she ordered.

A Florida pizza delivery worker allegedly stabbed a pregnant woman 14 times after being dissatisfied with a $2 (around Rs 170) tip, according to the police.