A man who rammed his car into an Adelaide police station before threatening officers with a knife has been detained in hospital.
The 38-year-old has been charged with offences including assaulting police, acts threatening harm and carrying an offensive weapon over the incident on Wakefield Street early on Thursday.
He has been admitted to Royal Adelaide Hospital under police guard for treatment of a pre-existing medical condition and is expected to face a bedside court hearing on Thursday night or Friday.
Authorities have ruled out any links to terrorism.
Police Minister Peter Malinauskas says he has been assured changes are being made to protect officers and members of the public.
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"A substantial security upgrade is currently being undertaken by SA Police at a range of police stations throughout the state," he told ABC radio on Thursday.
"There's a range of different measures that SA Police are putting in, that do include bollards, but also fencing arrangements, security screens within police stations, improved CCTV footage and the like."
The upgrade was inspired by incidents similar to that on Thursday, including a car ramming into Sturt Police Station in Adelaide's south in May this year and the shooting of police accountant Curtis Cheng in Parramatta in October 2015.
"The important thing is that where incidents occur you try and learn from them and that's clearly what's happened," Mr Malinauskas said.
