KARACHI, Pakistan — On a recent Monday afternoon, 61-year-old Sayani Soomar, a widow, sits on a curb in a busy Karachi commercial area with a paper sign asking for help.

KARACHI, Pakistan — On a recent Monday afternoon, 61-year-old Sayani Soomar, a widow, sits on a curb in a busy Karachi commercial area with a paper sign asking for help.

KARACHI, Pakistan — On a recent Monday afternoon, 61-year-old Sayani Soomar, a widow, sits on a curb in a busy Karachi commercial area with a paper sign asking for help.

KARACHI, Pakistan — On a recent Monday afternoon, 61-year-old Sayani Soomar, a widow, sits on a curb in a busy Karachi commercial area with a paper sign asking for help. She holds in her lap packages ...