LAHORE, Pakistan (AP) — Gunmen fired on an Islamic girls school Friday, shattering windows, injuring one student and sending youngsters running for cover. Hours later, two men on a motorcycle tossed grenades at a Christian hospital. Authorities said there was no indication the attacks were linked. However, Pakistan has been wracked by religious violence in recent years, much of it between rival Sunni and Shiite Muslim sects. This year, Christians also have been targeted. A 12-year-old girl was hurt when bullets shattered the windows of the Jamia Mohammadia Binat-ul Islam school in Lahore. Police said she was treated at a...