Pakistan militant group jumps to prominence with attacks

One of Pakistan's most vicious militant groups has dramatically stepped up its attacks over the past month, striking mosques, Christians and security forces in attacks that have killed more than 60 people in what appears to be a backlash to military operations against it.

Ever since it broke away from the Pakistani Taliban in 2014, Jamaat-ul-Ahrar or the Freedom Movement had been carrying out sporadic attacks, often weeks or months apart. But since the beginning of September, it has struck 10 times, including a horrific bombing of a mosque earlier this month that killed 36 people, many of them children.

The spike in violence points to how Jamaat-ul-Ahrar, which the U.S....