Police are responding to an incident in Melbourne's Bourke Street Mall following a pursuit through the CBD this afternoon.

Victoria Police said in a statement that a number of people had been arrested.

"We will provide further information when it comes to hand but there have been no injuries during the incident and there is no threat to the community," a spokesperson said.

Aerial vision of the mall showed a white car stopped near the tram tracks that run through the shopping strip, but it was unclear if this was a police or civilian vehicle.

A number of people were also gathered in the street.

A witness has told the ABC he had just finished lunch at a restaurant on the corner of Bourke and Swanston Streets when he saw a white BMW speeding down the mall.

"Then as we turned the corner

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