Who's to blame? Two militant groups have taken credit. Pakistan's army blames a third group. And some point fingers at the army itself, accusing security forces of fostering the very extremist groups now attacking the country.
The latest account suspensions raised to 360,000 the total number of accounts sidelined since the middle of 2015 and was helping "drive meaningful results" in curbing the activity, according to the San Francisco-based company.
ISIS and its online affiliates like to post "kill lists." Most experts think they're just a form of propaganda, a way to stoke fear among ordinary people. One list posted recently included more than 100 government workers in Massachusetts.
Brazilian police carried out “Operation Hashtag” in states across the country, arresting 10 people suspected of being radicalized online and plotting to buy assault rifles to carry out terror attacks at the Olympics. The arrests came as terror-related web “chatter” in Brazil is on the rise.
When ISIS seized control of Mosul, Iraqi policemen and soldiers fled. Now some of those men are training to try and reclaim Iraq's second-largest city. Yet the support they'll need to beat ISIS doesn't yet seem to be in place.
Many people call the jihadist group claiming responsibility for the Paris and Beirut attacks, ISIS. Alternatively they've been called ISIL and even the Islamic State. But many in the Arab speaking world, and increasingly Western leaders have taken to calling the group Daesh. So what does Daesh mean?