Tamil Nadu Sub-Inspector, family attacked at knifepoint; 3 arrested Mysore/Mysuru: After a brief lull, the stretch of NH-275 between Mysuru and Bengaluru has once again become a hotspot for late-night robberies. Commuters, including families and out-of-State travellers, are being targeted by armed miscreants striking under the cover of darkness. Yesterday, the Channapatna Rural Police arrested…