"He said he was calling from Miranshah in North Waziristan and the telephone number used to make the call carried an area code common to the Waziristan tribal area and Bannu, the adjoining district in the North West Frontier Province, " the paper said.

BBC: Unknown Pakistan group claims India's Pune bombing

Police officer Amjad Khan told the Associated Press the blast hit a platoon of 43 Frontier Constabulary troops in a truck near the police district headquarters.

CNN: Suicide blast kills 24 in Pakistan