DSP Shanti Raj Koirala at District Police Office, Taplejung said Sonila Sherpa, 20, died when she was hit by thunderbolt yesterday afternoon.
Police said the details of the incidents are awaited.
Lightning kills 1, injures 2 in Taplejung
Lamichhane claimed that the cooperative fraud case was used as a pretext to launch political retaliation against the party, which intensified after the Nepali Congress-led government came to power.