The Kolkata-Sairang Express incident has brought renewed attention to rail safety and the safeguards in place to avoid a major mishap. Four AC coaches derail near Kanpur on Gorakhpur-bound Chauri Chaura Express; no casualties, 300 passengers safe, investigation underway. The train, which was heading towards Gorakhpur, derailed near Platform 7. No casualties have been reported so far. Railway officials and engineering teams rushed Kanpur to oversee restoration work.