Initial pictures have emerged of the lorry driver believed to have been arrested by police after 39 bodies were found. 

The man has been named locally as Mo Robinson, a 25-year-old from Portadown, Northern Ireland.

He is allegedly being held by police on suspicion of murder.

Media sources in Northern Ireland and national television and other media outlets believe Mo Robinson to be the man being questioned. 

The bodies were discovered in Waterglade Industrial Park, in Grays, at 1.40am this morning. 

It is believed the truck had travelled from Zeebrugge, Belgium, to Purfleet - arriving at roughly 12.30am. 

A teenager was among the bodies found, while the other 38 are believed to be adults.