PSNIThe video has been widely circulated on Snapchat and Whatsapp.
Update 5pm: The man has been released from police custody.
Police in the North have arrested a 37 year old man in relation to a video which appears to show a child driving a lorry on a motorway.
It was uploaded to Snapchat and is understood to have been filmed on the M1 near Dungannon, in County Tyrone.
The video appears to show the boy steering in the driver's seat, along with a caption that reads: “need learn them young ”.
In the clip an adult can be heard saying: “Alright there lad, are you on the bang? Lift off her, lift off her you wee rod, keep round.”
The PSNI say they arrested a man in the Cookstown area earlier today and he remains in custody.
