Bengaluru witnessed worrying surge in firecracker-related injuries during this year's Diwali, with cases reported at hospitals crossing 150. Bengaluru: Bengaluru has witnessed a worrying surge in firecracker-related injuries during this year's Diwali celebrations, with cases reported at major eye hospitals crossing 150. In a disturbing trend, several victims were not those bursting crackers but innocent bystanders who were struck by flying sparks and exploding fireworks.