PRAYAGARAJ, March 24 -- Four people were killed and another 13 critically injured after a cold storage facility collapsed in Chandapur locality in Phaphamau region of Prayagraj following an alleged loud explosion on Monday afternoon, police said. The incident occurred around 2:30 pm and left dozens trapped under the debris. Prime Minister Narendra Modi announced an ex-gratia of Rs.2 lakh each for the families of the deceased and Rs.50,000 for the injured from the PM's Relief Fund. Chief minister Yogi Adityanath also announced Rs.2 lakh compensation for families of deceased and Rs.50,000 for the injured. Teams SDRF, NDRF, fire brigade, district administration and police have been deployed at the site. A team led by ADM (Finance and Revenue) Vinita Singh will investigate the cause of the incident. P3...