RISHRA: An uneasy calm prevailed in the area near Rail Gate 4 at Rishra on Tuesday. Shops downed shutters and empty roads bore telltale signs of Monday night's flare-up - stones, shreds of broken bottles and remains of a half-charred police van. Cops have by far outnumbered locals on the road, exercising Section 144 CrPC. Police arrested 50 people since Monday - 38 of them on Tuesday. The prohibitory...