A woman and a young child have survived being hit and trapped under a bus in Auckland's CBD today.

A Soaring Kiwi Tours bus is believed to have rolled backwards and hit a woman and toddler in a pram on Auckland's Victoria Street West. Source: 1 NEWS

The incident was reported to police at 1.05pm.

Witnesses say the red sightseeing bus rolled backwards and hit a woman and toddler in a pram on Victoria Street West.

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Onlookers rushed to the pair's aid and they emerged alive from under the bus after the incident.

Police say three people have sustained minor injuries in the incident.

1 NEWS understands the bus driver wasn't in the vehicle at the time of the incident.

Cordons are in place at the intersection where the accident occurred.

Police say these are expected to be in place for a period while the scene is cleared.

Mark Gilbert, the owner of Soaring Kiwi Tours, the company involved in the incident, told 1 NEWS in a statement, "We are fully supporting the police in their investigation and our current priority is supporting the members of the public that were hurt in the incident and supporting our team.