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Officials say apparent suicide bombing kills at least 3 at police complex in eastern Pakistan

  • Pakistani police officers and volunteers rush an injured man to a hospital after a bombing in Lahore, Pakistan, Tuesday, Feb. 17, 2015. An apparent suicide bombing killed many people outside a police complex in eastern Pakistan on Tuesday, officials said, in a rare attack on the relatively peaceful city of Lahore. (AP Photo/K.M. Chaudary)

    Pakistani police officers and volunteers rush an injured man to a hospital after a bombing in Lahore, Pakistan, Tuesday, Feb. 17, 2015. An apparent suicide bombing killed many people outside a police complex in eastern Pakistan on Tuesday, officials said, in a rare attack on the relatively peaceful city of Lahore. (AP Photo/K.M. Chaudary)  (The Associated Press)

  • Pakistani police officers cordon off the site of a bombing in Lahore, Pakistan, Tuesday, Feb. 17, 2015. An apparent suicide bombing killed many people outside a police complex in eastern Pakistan on Tuesday, officials said, in a rare attack on the relatively peaceful city of Lahore. (AP Photo/K.M. Chaudary)

    Pakistani police officers cordon off the site of a bombing in Lahore, Pakistan, Tuesday, Feb. 17, 2015. An apparent suicide bombing killed many people outside a police complex in eastern Pakistan on Tuesday, officials said, in a rare attack on the relatively peaceful city of Lahore. (AP Photo/K.M. Chaudary)  (The Associated Press)

  • A Pakistani police officer stands guard at the site of bombing in Lahore, Pakistan, Tuesday, Feb. 17, 2015. An apparent suicide bombing killed many people outside a police complex in eastern Pakistan on Tuesday, officials said, in a rare attack on the relatively peaceful city of Lahore. (AP Photo/K.M. Chaudary)

    A Pakistani police officer stands guard at the site of bombing in Lahore, Pakistan, Tuesday, Feb. 17, 2015. An apparent suicide bombing killed many people outside a police complex in eastern Pakistan on Tuesday, officials said, in a rare attack on the relatively peaceful city of Lahore. (AP Photo/K.M. Chaudary)  (The Associated Press)

Authorities say an apparent suicide bombing has killed at least three people outside a police complex in eastern Pakistan.

Lahore police chief Haider Ashraf says several people were wounded in the blast.

Live television footage from the scene showed smoke billowing from the building and people fleeing the scene.

No group immediately claimed responsibility for the attack, though the country faces a Taliban insurgency and other threats from Islamic extremist groups.