A small number of people have been treated after a reported minor explosion at a Tube station in north London, police said Tuesday.

The incident comes as officers investigated a suspicious package and there were no reports of serious injuries, according to the police.

"Officers remain at #Southgate tube station. Enquires are ongoing to establish the cause of a reported minor explosion at 19:03 hours," The Metropolitan Police tweeted.

Police, an ambulance, fire arms and dog units were seen at the station which remains closed now.