Police have been investigating the incident in Knowsley Road, which happened in the early hours of yesterday.
It was reported that there was an altercation between a man and a woman in the van.
Officers has since tracked down the the dark-coloured vehicle.
They have also spoken to the woman involved in the incident.
No-one was seriously hurt during the altercation.
A 20-year-old man from Havant has been arrested on suspicion of assault.
He remains in custody at this time.
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