The leather-clad female assassin proved deadly when she slaughtered five young men at an anniversary bash for one of the victims in a Mexican port city.

The brazen hit occurred Monday in the neighbourhood of Insurgentes Sur in Minatitlan, in Veracruz, located on the Gulf of Mexico.

Distroscale

And as her victims lay dying, the heartless harpy began firing again to make sure they were dead.

So far, cops have not released information about the identity of the hitwoman — who arrived on a motorcycle with three back-up killers — or the names of the victims.

Story continues below This advertisement has not loaded yet, but your article continues below.

We apologize, but this video has failed to load.

tap here to see other videos from our team. Try refreshing your browser, or

The killer vanished into the night immediately after the massacre.

An anonymous military source toldEl Universal that stray bullets also struck two others who were taken to the hospital where their injuries were treated.

All five of the men were pronounced dead at the scene.

Veracruz has seen some of that troubled country’s most high-octane drug cartel violence.

Hundreds have died in the shootings. Scores more have been tortured, beheaded and killed in mass executions.

In 2011, cops found two trucks packed with 35 corpses parked beneath an underpass near a shopping mall. Mass graves have also been found in the area.