The death toll was 11 till last reports came in yesterday.
A press release issued by the chief minister's office today said the death toll was 18.
Sources at the chief minister's office said, while 5 people were killed in Bhadrak, 4 in Balasore, 3 in Kendrapara, 2 in Mayurbhanj and 1 each in Keonjhar, Angul, Sundergarh and Ganjam districts.
Most of the victims were working in their fields when lightning struck them, the sources said.
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