Delhi Bombings, Oct 29 2005

Three bombs exploded on October 29, 2005 in the Indian city of Delhi, killing 61 people and injuring at least 188 others. The high number of casualties make the bombings the deadliest terrorist attack in India in 2005. The bombings came only two days before the important festival of Diwali (which is celebrated by Hindus, Sikhs, and Jains). The bombs were triggered in two markets in central and south Delhi and in a bus in the Govindpuri area in the south of the city. Prime Minister Manmohan Singh blamed terrorists for the deed.

The first blast took place in the main bazaar of Paharganj near the Delhi Railway Station at around 5:38 pm (IST), which is 12:08 GMT. The second blast took place near a bus in Govindpuri area at 6:00 pm (IST) in the southern part of the city. Within minutes of the second explosion, at 6:05 pm (IST), the third explosion took place in south Delhi's busy Sarojini Nagar market.

Our specification for the hypothesis test is a period beginning one hour before the first blast and continuing to 4 hours after. The result is a modest positive trend with Chisq 18076 on 18000 df, Z = 0.407 and p = 0.342. (Estimated normalized Z = 0.387). Delhi Bombings, Oct 29 2005

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