Woman goes to extreme to stop purse snatcher

A Florida woman went to extreme measures to stop a man who snatched her purse while she was pumping gas.

Janelle Della-Libera leaped onto the roof of the robber's car to get him to stop.

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PICTURES: Woman goes to extreme to stop purse snatcher

Surveillance video shows the man driving off with Della-Libera tumbling off the car.

The dangerous ordeal left her with a sprained ankle and cuts and bruises.

The purse snatcher remains on the run.