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Pippa Middleton Involved In Gun Controversy In Paris

4/16/2012 11:24am EDT

Pippa Middleton

British royal Catherine, Duchess Of Cambridge's sister is facing the possibility of arrest after a pal waved a gun at a photographer in France.

Pippa Middleton, who served as bridesmaid at her sibling's wedding to Prince William last April, was a passenger in a friend's car in Paris on Saturday, and the driver of the vehicle was caught on camera brandishing a weapon.

The Paris Judicial Police is said to be preparing to launch an investigation following the incident - and Middleton may be called in for questioning.

A source tells Britain's The Sun, "If the evidence points to her involvement, she will be prosecuted. Anybody involved in the illegal use of a handgun in public is liable to arrest and interrogation."

It is unknown if the gun was a fake firearm, but if it is found to be real, brandishing it in a public place is punishable by up to seven years' jail "for all parties involved."

If the gun is a fake, the maximum prison term is two years.

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Photo Credits: PR Photos , Pacificcoastnews