Zimbabwe President Emmerson Mnangagwa has called violence by the country's security forces "unacceptable and a betrayal" following deadly protests last week sparked by a sharp fuel price hike.
When Hong Kong police fired tear gas at peaceful pro-democracy protesters in 2014, the news moved swiftly through social media. Photos and videos of mostly student demonstrators being gassed helped fuel the outrage that ultimately drove hundreds of thousands of people into the streets.
California's landmark net neutrality law is on hold.
