Paris ‘blast’: Sonic boom heard across city as French Open tennis tournament rocked

A MAJOR 'blast' has been heard in Paris as a sonic boom rocked the French Open tennis tournament.

Stunned stars Stan Wawrinka and Dominik Koepfer stopped play briefly as the boom echoed around Roland Garros this morning.

Despite fears of something sinister, the noise was caused by a sonic boom after a fighter jet travelled through the sound barrier, French cops confirmed.

The shockwave rattled windows, made birds fly up and was heard in every part of the city, leading to a surge in phone calls to police.

It was not immediately clear why a fighter plane was flying over Paris.

A defence ministry spokesman confirmed it was a sonic boom but did not immediately offer further comment.

A police spokesman said: "There is no explosion, it is about a fighter plane which crossed the sound barrier. Don't clutter up the emergency lines!"

Paris has been tense since a knife attack outside the former offices of satirical magazine Charlie Hebdo on Friday. 

A sonic boom is the noise created by shock waves when a flying object travels faster than the speed of sound.

As an aircraft passes through the air it creates a number of pressure waves both in front and behind it – in the same way a boat creates waves as it passes through the water.

Those waves travel at the speed of sound but are forced together when the aircraft travels faster.

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