Authorities are waiting for test results before revealing what killed a man whose death sparked violent street protests, an inquest heard today.
Rashan Charles, 20, died on July 20 having earlier been apprehended by Metropolitan Police officers after running into a shop in Dalston, east London.
An Independent Police Complaints Commission investigation into his death has so far shown that, after he was detained, attempts were made to remove an object from his mouth or throat.
It was later revealed that a package removed from his throat contained a mixture of caffeine and paracetamol.
The inquest opening at Poplar Coroner's court on Wednesday heard that there had been two post mortems carried out - the second on behalf of his family and the police.
But coroner's officer David Brereton told the hearing that "no medical cause of death has been offered at this time", pending the results of toxicology and other tests.
He added that the London Ambulance Service paramedic who took Mr Charles to hospital from the shop in Kingsland Road noted a "foreign body was found in his airway".
Mr Charles's father Esa, a great uncle and a family friend were in court for the brief hearing. They left without speaking to reporters.
Mary Hassell, the senior coroner for Inner North London, said the full inquest would be held in front of a jury next June, and was likely to last weeks rather than days.
She told Mr Charles relatives: