Colin Weber and his wife, Claire, are window shopping on W. 47th Street in the Diamond District of New York City. Claire spots a diamond necklace that’s both beautiful and affordable.

Meanwhile, inside the jewelry store, trouble is brewing. According to a story written for the New York Daily News by reporters Derek Rose and Michelle McPhee, a 44-year-old Brooklyn man got into an argument with a 25-year-old jewelry store clerk over a counterfeit wrist watch.

The Brooklyn man smacks the clerk in the face with his fist. The clerk leaps over the counter and begins wrestling with his attacker. That’s when the Brooklyn man pulls a knife and stabs the clerk three times in the chest.

Now the Brooklyn man is running outside with a bloody knife in his hand. Colin Weber sees this and uses his six-foot-one-inch frame to body-block the fleeing knifer.

I guess I should tell you that Colin is really Sergeant Colin Weber, a member of the Leicestershire (England) Police Department near London. He gets the attacker in a headlock as the two toss around on the sidewalk.

An excited New York crowd can’t tell which one is the bad guy, so Sgt. Weber gets kicked a few times until his wife, Claire, also a British cop, starts pushing the crowd away.

Later, Police Commissioner Raymond Kelly gives the Webers a certificate of appreciation during a hastily called ceremony at One Police Plaza. The detective squad from Manhattan North buys the Webers a nice lunch.

The Brooklyn man is charged with assault and criminal possession of a weapon. The jewelry clerk is in stable condition at St. Luke’s Hospital in Midtown. Claire Weber doesn’t get her diamond necklace.

The Webers did find time to visit the Statue of Liberty, ride to the top of the Empire State Building, and shop around Times Square. Maybe that necklace will be still be there during their next trip "across the pond."