A new study examines YouTube’s efforts to limit the spread of conspiracy theories on its site, from videos claiming the end times are near to those questioning climate change.
Extremists: Their Words. Their Actions.
Fact:
On April 3, 2017, the day Vladimir Putin was due to visit the city, a suicide bombing was carried out in the St. Petersburg metro, killing 15 people and injuring 64. An al-Qaeda affiliate, Imam Shamil Battalion, claimed responsibility.
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