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At least four people were killed and few others injured in an explosion in Birbhum district on Friday.
10 others were also injured while making bombs in Birbhum district.
According to police, a sudden explosion occurred in the afternoon where five people were killed and few others injured.
The explosion took place when the men were making bombs at an open ground in Bindarpur village in the early hours today, a police officer said.
Both the victims were in their 30s and their identities were yet to be established.
While earlier on March, 2015, the West Bengal Police also recovered over 200 crude bombs from a farmland in Bibhum district.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)