Kalyani, Apr 11 (PTI) A crude bomb exploded on the rooftop of a school building in Nadia district of poll-bound West Bengal on Saturday, police said.
No casualties were reported in the incident that happened at Ghordagacha Madhyamik Shiksha Kendra in the Saguna panchayat area in the Kalyani assembly constituency, they said.
The blast took place shortly after school hours, when students had left the premises following an examination. A few teachers and non-teaching staff were still present when the loud explosion was heard from the rooftop, they added.
Teachers rushed upstairs and found that a crude bomb had gone off, while another unexploded device was lying nearby. Police were immediately informed.
Sub-Divisional Officer (SDO) of Kalyani, Pritam Saha, said an investigation is underway.
Election Commission general observer for Kalyani, P Siva Sankar, visited the spot for inspection, accompanied by security forces.
The TMC accused BJP workers of planting the explosives to trigger unrest ahead of the polls, while the BJP denied the allegation and blamed the ruling party.
West Bengal will vote in two phases, on April 23 and 29. The votes will be counted on May 4. PTI COR SUS SOM
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