A Pakistani mourns over the death of his relative in a bomb blast, at a local hospital in Lahore, Pakistan, Sunday, March, 27, 2016. (AP Photo/K.M. Chuadary)
A woman injured in the bomb blast is comforted by a family member at a local hospital in Lahore, Pakistan, Sunday, March, 27, 2016. (AP Photo/K.M. Chuadary)
A woman weeps for her injured family members as she tries to speak to security at a local hospital in Lahore, Pakistan, Sunday, March, 27, 2016. (AP Photo/K.M. Chuadary)
Pakistani police officers and rescue workers gather at the site of bomb explosion in a park in Lahore, Pakistan, Sunday, March, 27, 2016. (AP Photo/K.M. Chuadary)
Women comfort each other as they mourn over the death of a family member who was killed in a bomb blast, at a local hospital in Lahore, Pakistan, Sunday, March, 27, 2016. (AP Photo/K.M. Chuadary)
A Pakistani injured man from a bomb blast talks on his cell phone at a local hospital in Lahore, Pakistan, Sunday, March, 27, 2016. (AP Photo/K.M. Chuadary)
A bomb blast in a park in the eastern Pakistani city of Lahore has killed dozens of people and wounded scores.