Lucknow, Jan 25 (IANS) A total of 117 inmates and three officials of the Basti district jail in Uttar Pradesh have tested positive for Covid-19.They were found positive during random testing. Senior jail officials said that they were all asymptomatic.The barrack has been converted into an L-1 hospital where a team of doctors are monitoring the patients.Jailor Satish Chandra Tripathi said a preliminary investigation revealed that the infection spread from some jail officials who had gone outside the premises. "All patients have been isolated in the barracks," he said.On January 1, during a routine Covid test, none of the inmates had tested positive.The sudden increase in the number of Covid cases is a cause for concern. A senior district official said, "We are taking all precautions to ensure that the virus does not spread further."There are 1,275 inmates and 50 staff members in the Basti jail. --IANS amita/dpb