A religious gathering at a mosque in Delhi has been linked to seven coronavirus deaths and more than 300 people with symptoms linked to COVID-19 are being tested. Early this morning, the Markaz Nizamuddin - the Delhi headquarters of the Tablighi Jamaat -- was sealed and 800 people moved out in buses are quarantined in different parts of the city. "So far 24 people staying there have been found to be coronavirus positive," said Delhi Health Minister Satyendra Jain. "A grave crime has been committed," he added.