COVID-19 in the national capital, the number of available Intensive Care Unit (ICU) beds equipped with ventilators is shrinking fast at several hospitals here, with zero vacancy at nearly 60 facilities, according to official data.The rise in cases of the infection has happened at a time when approaching winter and severely deteriorating air quality in the city have worsened complications in people with respiratory illnesses.According to the online Corona dashboard of the Delhi government at 12:30 pm on Thursday, only 131 COVID-19 ICU beds were available out of 1,362 such beds at various facilities here.There was no vacancy at Rajiv Gandhi Super Speciality Hospital (RGSSH), Max hospital's facilities at Saket, Patparganj and Shalimar Bagh,.