PRAYAGRAJ, Feb. 6 -- An under construction building collapsed in Prayagraj's Shahganj area on Thursday evening, trapping three labourers under debris. The structure reportedly gave way while a deep basement was being excavated. Locals began rescue work before police arrived. All three labourers were pulled out and taken to Swaroop Rani Nehru Hospital, where their condition is stated to be serious. HTC...