"The Pakistani Taliban claimed responsibility for the attack and warned there were more to come.

"The attack on Friday morning in Charsadda district is the bloodiest since US forces killed bin Laden in Abbottabad, Pakistan, on May 2.

"Five of the dead were civilians while the rest were recruits at the Frontier Constabulary training site.

""This was the first revenge for Osama's martyrdom. Wait for bigger attacks in Pakistan and Afghanistan," said Taliban spokesman Ehsanullah Ehsan in a telephone interview."

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