Pakistani District Police Officer Rehmat Ullah Khan Niazi

Unidentified gunmen attacked a school in Pakistan on Monday and killed a guard, police said, raising fears of a repeat of a deadly school attack five months ago that toughened Pakistan's resolve to fight militants.

Unidentified gunmen attacked a school in Pakistan on Monday and killed a guard, police said, raising fears of a repeat of a deadly school attack five months ago that toughened Pakistan's resolve to fight militants.