DHAKA, Bangladesh (AP) — Bangladesh's ailing former Prime Minister Khaleda Zia has left the country for London for medical treatment, aide says.

Bangladesh’s ailing former Prime Minister Khaleda Zia left the nation's capital for London on Tuesday for medical treatment, said one of her advisers. Zahiruddin Swapan, an adviser to Zia, told The Associated Press by phone that the three-time former premier and also the head of the Bangladesh Nationalist Party left Hazrat Shahjalal International Airport late Tuesday on an air ambulance.