Kolkata, June 12 (UNI) Tension run high in South 24 Parganas'' Maheshtala under the Diamond Harbour area on Thursday after a violent clash broke out between two groups a day earlier, leading to vandalism of a temple and forcing the local administration to clamp Section 163 of the Bharatiya Nagarik Suraksha Sanhita (formerly Section 144 Cr PC).