Prime Minister’s Political Adviser and BNP Standing Committee member Mirza Abbas was flown to Singapore by an air ambulance on Sunday for advanced treatment.
The air ambulance left Hazrat Shahjalal International Airport at around 11:17am, said Mizanur Rahman Sohel, personal assistant to Mirza Abbas.
“The air ambulance departed at 11:17am and is expected to reach Singapore after about four hours,” he said.
Sohel said Mirza Abbas will be admitted to Singapore General Hospital.
The air ambulance arrived in Dhaka from Singapore at around 9:10am.
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Mirza Abbas was taken to the airport from Evercare Hospital in Bashundhara by an ambulance and then transferred to the air ambulance.
His wife Afroza Abbas, son Yasir Abbas and Evercare Hospital doctor Zafar Iqbal accompanied him on the flight.
Mirza Abbas underwent brain surgery on Friday.
After nearly four hours of surgery, he was shifted to the ICU at night.
The BNP leader was admitted to Evercare Hospital on Wednesday evening after he suddenly fell sick and lost consciousness during iftar.
A medical board comprising leading neurologists was later formed to oversee his treatment.