Police recovered a grenade from an under-construction drain in Madrasa intersection area of Natore town on Saturday morning.
Labourers spotted the grenade while they were digging soil for constructing drain in the area and informed police, said Kazi Jalal Uddin, officer-in-charge of Natore Police Station.
Later, police recovered it.
Earlier, police recovered another grenade from the same area on Wednesday which was defused later.
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