Indian doctors continue to bear the brunt of police inquiries as focus shifted to Australia.
Investigators trying to unravel the hands behind the foiled terror attacks in UK raided two hospitals in Western Australia and also quizzed five doctors of foreign origin, four of them Indian.
However, WA Premier Alan Carpenter said he did not want to see a backlash against overseas-trained doctors.
"There is nothing that has been presented to us by the police that would lead us to believe that we have got issues with our overseas trained doctors, Indian-trained or otherwise," he said.
Federal police also are combing through 31,000 documents - some of them in foreign languages - seized in the raids, including on laptop computers.
The raids follow this week's arrest of Gold Coast Hospital registrar Mohammed Haneef, an Indian national who was recruited by Queensland Health from Liverpool, England.
Dr Haneef was detained at the request of British police in connection with the foiled bombings at Glasgow airport and outside a London nightclub five days ago.
Federal Attorney-General Philip Ruddock said today several items had been taken by police for further examination, including mobile phones and laptop computers.
Those questioned were all linked to each other, he said.
"The linkages are with people who are known to each other and that's prompting the further inquiries," he said.
"This is not about doctors. These are people who are of similar nationalities, and the warrants that were executed in WA were in Kalgoorlie last night and Royal Perth Hospital this afternoon."
Australian Federal Police (AFP) Commissioner Mick Keelty said the doctors interviewed by police were foreign-trained and had worked in Britain.
He urged Australians not to be concerned about the medical profession.
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