A Pakistani police officer stands guard near a grave, covered with tent, of Sana Cheema, an Italian woman of Pakistani origin, who was allegedly killed by her family members, in the neighborhood of Mangowal, near Gujrat, Pakistan, Wednesday, April 25, 2018. Pakistani police arrested the father and the uncle suspected in an "honor" killing of a 25-year-old Italian citizen, a woman of Pakistani origin who refused to marry the man they chose for her, a police officer said. (AP Photo/Anjum Naveed)
A Pakistani police officer stands guard near a grave, covered with tent, of Sana Cheema, an Italian woman of Pakistani origin, who was allegedly killed by her family members, in the neighborhood of Mangowal, near Gujrat, Pakistan, Wednesday, April 25, 2018. Pakistani police arrested the father and the uncle suspected in an "honor" killing of a 25-year-old Italian citizen, a woman of Pakistani origin who refused to marry the man they chose for her, a police officer said. (AP Photo/Anjum Naveed)
A Taliban suicide bomber detonated a vehicle packed with explosives Monday outside the home of a senior police officer tasked with cracking down on militants in Pakistan's largest city.