WORLD LEADERS, TECH EXECS PLEDGE TO CURB ONLINE VIOLENCE

A dozen countries and global tech giants including Facebook, Google and Twitter pledged to find ways to keep internet platforms from being used to spread hate, organize extremist groups and broadcast terror attacks.

World leaders led by French President Emmanuel Macron and tech executives gathered in Paris to compile a set of guidelines dubbed the “Christchurch Call to Action,” named after the New Zealand city where 51 people were killed in a March attack on mosques. Part of the attack had