Mysore/Mysuru: Former Corporator R. Somasundar has been arrested by the Lakshmipuram Police on charges of allegedly cheating a street vendor of Rs.12 lakh by defaulting on the promise of getting a MUDA site. Retired Dy.SP Vijaykumar, who too is said to have been involved in the case, has gone absconding. One Venkataraju, a resident of…