Three people were seriously injured following a collision between three cars at midday.
A grey Chevrolet, a black Renault Clio, and a silver Mitsubishi Space Wagon crashed in Petersfield Avenue at the junction of Colchester Road, in Harold Hill.
A 58-year-old man, who sustained head injuries, and a woman in her early 50s, who had stomach injuries, were taken by ambulance to the Royal London Hospital, in Whitechapel, east London. Both had been travelling in the Chevrolet.
Her conditionn has been described by Havering Police as potentially life-threatening.
A 19-year-old man, who was travelling in the Clio, sustained head and back injuries, and was taken to Queen’s Hospital, in Rom Valley Way, Romford, following the incident.
The occupants of the Space Wagon were unhurt.
Resident James Masterton said: “It looked like a very nasty crash; perhaps a fatal. I think one of the cars has smashed into the other on the Colchester Road, sending it into a garden wall in Petersfield.
“There used to be barriers along the pavement here but they took those away a while ago - it probably would have slowed the car that hit the wall down a bit first.”
An air ambulance was also sent to the scene but did not transfer any patients.
There was traffic disruption for several hours after the incident.
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