A 27-year-old medicalrepresentative was arrested from Badharghat area here on Sunday for spreading rumours on the social media on COVID-19, police said.He put up a social media post claiming that one person has tested positive for novel coronavirus in Tripura, an officer said.The man has been booked under sections of the Tripura Police Act, 2007, the officer said.No coronavirus case has been reported in the state so far, health officials said.