Dhaka, Dec. 5 -- The plan to take critically ill BNP Chairperson Khaleda Zia to London for advanced treatment now depends on her health condition, as the Emir of Qatar has arranged a special air ambulance from Germany after technical issues with the earlier one.

The medical board treating the BNP chief decided on Wednesday night that she could be taken abroad, based on some improvement in her condition.

However, as her condition worsened slightly on Thursday night, the board will now review her situation again, said one of its members, wishing not to be named.

Although Khaleda was supposed to be flown to London today (Friday), the flight has been delayed due to technical issues with the air ambulance arranged by Qatar and the slight de...