Awami League's Chittagong city unit President ABM Mohiuddin Chowdhury was taken to Square Hospital in Dhaka yesterday.
Earlier in the day, Mohiuddin, also former mayor of Chittagong City Corporation, was admitted to the city's Max Hospital, Dr Liakot Ali, director of the private hospital, told The Daily Star.
He has been suffering from kidney and heart complications for a long time, he added.
Meanwhile, AJM Nasir Uddin, the incumbent city mayor, visited Mohiddun at Max Hospital to inquire about him in the morning.
“He [Nasir] spent some time there and prayed for his early recovery,” said Raihan Yousuf, personal assistant of the city mayor.