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				There was no immediate claim of responsibility for the blast, 
				which took place near a university campus.
 "It is too early to say what kind of a blast it is," police 
				officer Muqaddas Haider told reporters. "We have a confirmation 
				of four deaths, but I can't say anything about their 
				identities."
 
 He declined to confirm domestic television reports that some 
				foreigners were among the occupants of the van, including three 
				Chinese women.
 
 A grouping of Sunni militant outfits, Pakistani Taliban or 
				Tehrik-e-Taliban Pakistan (TTP), which has links to al Qaeda and 
				the Islamic State militant group, recently said it had sent 
				suicide bombers to carry out attacks in the south Asian nation.
 
 (Reporting by Asif Shahzad; Editing by Clarence Fernandez)
 
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