Indian officials say one person is dead after five small bomb detonated in the capital of a state in eastern India.
Authorities say the explosions erupted Sunday across Patna, the capital of Bihar state, shorty before the main opposition party's candidate for prime minister was scheduled to give a speech.
A blast at a railway station killed one person.
Police say thousands of people had gathered in Patna for a campaign rally for Narendra Modi, the Hindu nationalist Bharatiya Janata Party's candidate for prime ministerial in national elections due by May 2014.
The rally went ahead as scheduled.