CPM general secretary Sitaram Yechury, who is under treatment for a severe lung infection at the Delhi AIIMS, is in "critical condition".
A press release by CPM said that Yechury is currently in the intensive care unit of AIIMS and is being treated for an acute respiratory tract infection.
"He is on respiratory support. A multi-disciplinary team of doctors is closely monitoring his condition, which is critical at this time," it said.
Yechury, 72, was hospitalised on August 19 for treatment of a pneumonia-like chest infection. The exact nature of his ailment was not revealed by the hospital.
Earlier, CPM said that Yechury's condition was stable and that he was showing a positive response to treatment.
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