“As a public official, there comes a point when you have a responsibility to tell the public what’s going on,” Durbin said at a press conference in Chicago, according to Crain’s Chicago Business on Monday.

He added that Jackson “will soon have to make a report on the physical condition he’s struggling with.”

Durbin’s comments are in response to an announcement from Jackson’s office on Thursday that the congressman’s condition is “more serious” than had originally been thought.