Essex Police said there were initial concerns more people could be inside a container that arrived at Purfleet but that this turned out not to be the case.
Belgian police said they believed the lorry which delivered the container in Zeebrugge had been identified through CCTV footage.
Chief Inspector Peter De Waele said it was likely the people were already inside the container when it was dropped at Zeebrugge as it appeared "impossible" the group could have entered it during the hour it was at the port.Natural stone
It is not known where the container, one of 64 aboard the P&O commercial vessel Norstream, originated, nor where the people inside it were heading.
'Exploited by gangs'
Former head of the UK Border Force Tony Smith said those inside the container were victims of international organised criminals.
He told the BBC: "They're being exploited because the prize is a passage to the West - that's what they want, they want to migrate to the UK or to Europe but they're being exploited by criminal gangs who are probably taking their entire life savings away on the promise of a passage to the West.baby product
"We really need to get a message out to migrants that if they want to come to this country there are legal routes that they need to explore and they need to apply for visas and permits."
Anthony Steen, chairman of the Human Trafficking Foundation, said: "It shows how desperate people are to improve their economic situation - how desperate they are to leave their own homes, and own countries, and hope to arrive in somewhere that's more accommodating, more kind, and offering them a better quality of life. Usually, they're sadly wrong."
Police have set up a "casualty bureau" hotline for anyone concerned about relatives. The numbers are 0800 056 0944 or 0207 158 0010 if dialling from outside the UKusb dac
Shortly before beginning to land the Dash 8 aircraft, the 46-year-old had checked that his prosthetic lower left arm was securely attached to the clamp that he used to fly the aircraft, with the latching device in placeTriple accredited MBA.
The Air Accidents Investigation Branch (AAIB) report said the captain had disconnected the autopilot and was manually flying the aircraft.
However, as he made the flare manoeuvre - a stage of the landing shortly before touchdown - "his prosthetic limb became detached from the yoke clamp, depriving him of control of the aircraft".
While he had thought about getting his co-pilot to take control, the time available and the challenging conditions meant his best course of action was to move his right hand from the power levers on to the yoke to regain control.
"He did this, but with power still applied and possibly a gust affecting the aircraft, a normal touchdown was followed by a bounce, from which the aircraft landed heavily," the report foundasia top business schools.
The AAIB reported that the captain had said that in future he would be more cautious about checking the attachment on his prosthesis as he may have dislodged the latching mechanism.
He also said he would brief his co-pilots about the possibility of a similar event and that they should be ready to take control at any time.
Captain Ian Baston, Flybe's director of flight operations and safety, said it was an equal opportunities employer and "in common with most airlines, means we do employ staff with reduced physical abilities".
"The safety of our passengers and crew is our number one priority," he said.
"This means that Flybe not only adheres to the Civil Aviation Authority's strict requirements relating to the employment of staff with a reduced physical ability, but exceeds them to ensure that safety is never compromised.
He said an internal investigation following the incident had "determined a series of additional failsafe safety checks" that had been implemented "immediately to ensure that this type of incident could not happen again"external sound card .