Seven arrests have been made so far after 13 people were discovered in the back of a lorry in Ipswich - here is everything we know so far about the incident.
At about 10.40am on Thursday, police attended an incident in Bluestem Road on the Ransomes Industrial Estate.
An eyewitness reported seeing a huge emergency services presence.
Upon arrival, officers found 13 people in the back of a lorry, suspected to have entered the UK illegally.
Just after 1pm, police confirmed that three arrests had been made, including the driver of the vehicle.
The trio were arrested on suspicion of Immigration Act offences and were taken to Martlesham Police Investigation Centre for questioning.
Later that day, Ipswich MP Tom Hunt said:"I was very concerned when this was brought to my attention earlier today.
"There are still a number of facts that need to be established but clearly this is an unacceptable and illegal state of affairs."
Mr Hunt also said the incident was "extremely dangerous" for those involved.
On Friday, an update from the Home Office confirmed that four more arrests had been made.
A spokeswoman said: "The government is tackling illegal migration and the harm it causes by removing those with no right to be in the UK.
“We continue to work with law enforcement agencies to tackle illegal migration in all its forms.”
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