Off-duty cop shoots dead suspect who was trying to stab patrons with a knife at a Boston Chick-fil-A

A knife-wielding man was shot along a busy street inside a Chick-fil-A restaurant in Boston Saturday evening - (Google Maps)

An off-duty police officer shot a man dead after he was seen chasing two people with a knife at a Boston Chick-fil-A.

The officer who fired the fatal bullet had been sitting inside the fast-food restaurant on Copley Square along Boylston Street at around 5:30 p.m. when two people sprinted into the restaurant to escape a man pursuing them with a knife, said Boston Police Commissioner Michael Cox.