One child succumbs to injuries as high intensity crude bomb blast rocks Kolkata. LIVE UPDATES HERE

Update at 4:10 PM: BJP demands NIA probe in the Kolkata crude bomb blast case. 

Update at 3.11 PM: West Bengal government to submit a report to MHA in next 24 hours

Update at 2:20 PM: Another TMC minister, Jyotipriyo Mullick also claims that BJP is behind the attack. He has stated that their target was Panchu Roy, a local TMC councilor. Claiming that Panchu is a popular leader and working very hard, the TMC minister accused BJP of targeting him.

Update at 2:18 PM: 

Update at 1:42 PM: BJP hits back at Trinamool Congress. Rupa Ganguly says, "How does TMC know that BJP and RSS are behind this attack? If they knew in prior that we are behind this, then why did not they took any action on us before the blast?"

Update at 1:40 PM: TMC leader accuses BJP and RSS of having a role behind the crude bomb blast which has killed on so far and injured several others in Kolkata. 

An 7-year-old kid was killed in the crude bomb blast which rocked the city of Kolkata on Tuesday. The high intensity blast, which took place at a sweet shop in Dumdum has also injured 11 others, out of which four are in serious condition.

The unfortunate incident ended up taking the life of a young boy named Bibhas Ghosh, who succumbed to his injuries at the SSKM hospital. His mother is in a serious condition, and is being operated at the ILS Nursing home.

The West Bengal police said, "It was a high-intensity blast. Four people seriously injured, six injured. Found some iron nails but can't ascertain cause of blast yet as there is no smell of gunpowder."

One of the victim, who was the worker in that sweet shop, spoke exclusively to Republic TV about that incident. He said, "At 9:15 in the morning, there were 5 of us. When we went inside the bathroom, there was a huge noise from outside. After coming outside, we saw 2-3 people lying down and there was smoke all around. Even I got injured after the bathroom door broke from the explosion."

About the kid, who has now succumbed to injuries, the worker added, "When we say the kid, we put water on him." Following the blast, the bomb squad reached at the spot along with the state's police team.