A doctor at Royal Alexandra Hospital in Glasgow, who refused to give his name, said he recognized Asha as a doctor who kept an office there - the same hospital where another suspect, Bilal Talal Abdul Samad Abdulla, worked.

According to friends of Abdulla's family in Iraq, the 27-year-old doctor came to Britain after graduating from medical school in Baghdad. He was a passenger in the Jeep Cherokee that rammed into the Glasgow airport.

The Jeep's driver - identified by staff at Royal Alexandra Hospital as a Lebanese doctor named Khalid Ahmed - was in critical condition at that hospital from burns suffered in the attack. Police would not confirm his identity.

Investigators believe the same men who parked the explosives-laden cars in London may have also driven the blazing SUV in Glasgow, the British security official said.

The final two suspects, ages 25 and 28, were arrested by police Sunday at Royal Alexandra Hospital. Staff said one was a medical student and the other a junior doctor, without giving their names. British media said they were from Saudi Arabia, but police refused to comment.

Dr. Shiv Panbe, former chairman of the British International Doctors Association, said the two Indian nationals in custody were Muslims.

"It is very upsetting news," Panbe said of their alleged involvement. "It is an abuse of trust and respect - everyone should be able to love their doctor."

British authorities have refused to release many details on the suspects, including whether they were on any watch lists, but have indicated they believe the plot may have links to al-Qaida.

A senior US counterterrorism official, who spoke on condition of anonymity because of the sensitivity of the issue, said Tuesday that none of the eight suspects was on any American lists that identify potential terror suspects.

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