Coordinator of Ganasanghati Andolan Junaid Saki was injured in an attack at Chattogram Medical College Hospital (CMCH) Tuesday evening.
He was attacked when he went to the hospital to visit people wounded in the deadly fire incident in Sitakunda container depot.
Junaid Saki is now undergoing treatment at a private hospital in the port city.
Bangladesh Gana Odhikar Parishad senior joint convener Rashed Khan was among the injured.