Federal authorities have restricted helicopter flights near Ronald Reagan Washington National Airport. The move comes days after a deadly collision between a passenger jet and a military helicopter.
Responders are working to recover the victims of Wednesday night's midair collision over Washington, D.C. It could be the deadliest crash to occur in U.S. airspace in at least 15 years.
The Chinese chatbot took the world by storm and rattled stock markets. But lost in all the attention was a focus on how the company is collecting and storing data.