Delhi's Deputy Chief Minister Manish Sisodia has said that several hospitals are facing an oxygen crisis in Delhi and there is no oxygen left for the patients in various hospitals.<br />'' <br />''<span style="color: #222222;">Addressing a press conference in New Delhi today, Mr Sisodia alleged that several neighbouring states are creating disruption in supply of oxygen. He said, yesterday Delhi received only 117 metric tonnes of oxygen out of sanctioned quota of 378 metric tonnes. He urged the Central government to ensure the uninterrupted supply of medical oxygen by deploying the paramilitary forces.</span><br />