BNP Chairperson Khaleda Zia's physical condition remains unchanged. She is being taken abroad for better treatment. If everything goes well, she is scheduled to leave for London any time today, Friday (December 5).However, BNP sources have said that the journey may be slightly delayed due to a 'technical problem' in the Qatar Air Ambulance to take the seriously ill Khaleda Zia to London.Meanwhile, Zubaida Rahman, the wife of her eldest son Tarique Rahman, has left for Dhaka to take her mother-in-law to London for treatment. Zubaida Rahman's flight left London after 6 pm local time in the UK. She is scheduled to arrive in Bangladesh around 9:30 am today. However, real-time flight tracking website 'FlightAware' shows that Zubaida Rahman may be delayed by one and a half hours in reaching Dhaka.As part of the preparations to take Khaleda Zia abroad after Zubaida Rahman arrived in the country, security measures have been tightened in the Evercare Hospital area of ​​the capital.