About a half hour after the post, the mass shootings were reported at two mosques in Christchurch, New Zealand.
Four men were arrested three days before the attacks had been planned to take place in several public locations in Melbourne, Australia, on Christmas Day 2016.
Demetrius Nathaniel Pitts allegedly revealed plans to an undercover agent.
"There's no real danger to America from refugees who've gone through our vetting system," Senator Chris Murphy of Connecticut said.
Video shows him dodging NYC taxis as he runs through the streets before being shot and arrested by police.
World leaders voice support for Manhattan on Twitter shortly after the terrorist attack
One person was fatally injured in the attack, 19 others injured.
Defining what terrorism is can be contentious but over the years scholars have identified several distinct waves.
The summit of Group of Seven wealthy nations pitted Trump against the leaders of Germany, France, Britain, Italy, Canada and Japan on several issues.
Until the West crushes ISIS's ideology, bombings like the one in Manchester are going to continue—and maybe become more common.
The Reuters/Ipsos poll showed Americans were more reluctant to share personal information than when the poll last asked the question four years ago.
Bissonnette, who said he was a fan of U.S. President Donald Trump and far-right French politician Marine Le Pen, had moved into an apartment in the beige block near the mosque in July.
Two arrests have been made after the Sunday night shooting left six dead.
The biggest lesson to learn is the contagious nature of this phenomenon.
A state official told national media one man had been apprehended near the scene of the crime.
Musicians, actors and more react to the senseless attacks in the Belgian capital.
If convicted, Christopher Louis Bolanos-Garza faces up to 10 years in prison and a fine of as much as $10,000.
In just 16 percent of terror plots Islamic State fighters directly encouraged individuals.
Attack on NATO convoy leaves 12 dead in Afghanistan capital.