A high intensity blast has been reported outside a gate of Delhi High Court this morning. According to police, 27 persons are believed to have suffered injuries in the blast and investigations have begun to know the cause of the blast.AIR Correspondent reports from the site that the blast occured outside gate No. 5 of the High Court complex. The area was crowded with visitors seeking entry into the complex. Injured persons have been rushed to Safdarjung Hospital and Dr. Ram Manohar Lohia Hospital. Ambulances and Fire tenders have reached the blast site.