Blast at cracker unit on Prayagraj-Kaushambi border kills 5, several injuredPRAYAGRAJ: At least eight people were reportedly killed and several others sustained injuries in a massive explosion at a cracker manufacturing unit on the Prayagraj-Kaushambi border under the limits of Pipri police station on Monday.Rescue operations are underway, while senior police officials have rushed to the spot to carry out investigations.Further details are awaited.