BNP secretary general Mirza Fakhrul Islam Alamgir was admitted to United Hospital in Dhaka on Monday morning.
Chhatra Dal leader Yunus, personal secretary to the BNP leader said Mirza Fakhrul had fallen ill and was taken to the United Hospital.
The BNP leader has been undergoing treatment under the supervision of the hospital’s physician Moniruzzaman.
The BNP leader fell sick several times since his imprisonment in 2015. He had even gone abroad for treatment.
Bangladesh Nationalist Party chairperson Khaleda Zia’s press wing member Shamsuddin Didar also confirmed this to ProthomAlo.