Police officers are understood to be at a number of properties in Writtle belonging to members of Peter Reeve's family.
The media have been asked not to approach them as they are described as distressed and possible witnesses.
More top news
The AA found 29% of young drivers admitted to drinking and driving the following morning even if they thought they could be over the limit.
Metal girders fell down and the roof collapsed onto worshippers during a service, witnesses said.
The tanker slammed into other vehicles and burst into flames on a major road leading from the capital Nairobi.