Khaleda Zia's Qatar-arranged air ambulance to land in Dhaka Tuesday for London treatment

• Khaleda Zia, former Bangladesh PM, is critically ill and an air ambulance is arranged to fly her to London for medical treatment.
• The air ambulance, arranged by the Qatar government, is scheduled to land in Dhaka on Tuesday.
• Zia's planned travel to London has been indefinitely postponed as she is too unwell for long-haul travel.
• The replacement air ambulance is a Bombardier Challenger jet, fully equipped with critical-care facilities and medical staff.

Why It Matters: Former PM Khaleda Zia's critical health and air ambulance plans highlight her serious condition.