Danny Lim asked police to call ambulance and told them of his PTSD before arrest, witness says

Exclusive: Passerby Mike Ashley who was at the QVB says he was threatened with charge of hindering arrest when he tried to intervene

• Get our morning and afternoon news emails, free app or daily news podcast

The Sydney street personality Danny Lim repeatedly asked police officers to call an ambulance and informed them he had post-traumatic stress disorder before he was thrown to the ground and bloodied in a discontinued" arrest, a witness says.

The allegation is consistent with the version of events Lim outlined to Guardian Australia from hospital, where on Wednesday night he remained, being treated for bleeding on the brain and neck injuries.

Sign up for Guardian Australia's free morning and afternoon email newsletters for your daily news roundup