An officer was shot in the neck during the Texas disorder by "Antifa Cell operatives", prosecutors said.
Rail company Deutsche Bahn had to pause train services across the country for more than two-and-a-half hours.
It is suing the US defence department after it was added to a list of firms with ties to the Chinese military.
The BBC spoke with Stanford University graduates about what they really think about artificial intelligence.
France, Spain and Italy, have been hardest hit by the heatwave so far.
US Secretary of State Marco Rubio warned Iran that no country can charge fees for ships to travel through the strait.
On Tuesday, Today show presenter Savannah Guthrie begged anyone with information to come forward, saying, "We are in agony."
Edgar Lungu's family and the Zambian government remained in dispute 12 months after he died.