The East of England Ambulance Service says nearly 90 people were injured, over 30 of them seriously.
Nine people are in a critical condition out of a total of 28 still in hospital on Saturday, emergency services say.
After Andy Burnham’s by-election victory, support for the prime minister is evaporating, writes Laura Kuenssberg.
The BBC has been told that the transport secretary is among those advising Starmer to set out a timetable.
A 30-year-old man is bailed after a child ended up in a crocodile enclosure at a farm zoo.