Sarat Shetty, a 45-year-old man who was injured in the explosion which took place earlier this month in Dum Dum, passed away late night on Sunday.
With this, the death toll in the explosion has risen to three.
Yesterday, a 43-year-old man who also got injured in the explosion breathed his last.
Earlier on October 2, a high-intensity explosion had occurred in a fruit stall stationed in the market here, leaving an eight-year-old boy dead and over ten injured.
Police investigating the matter had said the cause of the blast could not be ascertained, adding that there was no smell of gunpowder post the explosion.
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