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Among the gunman's demands was the opportunity to speak to former colleagues and to media by video call. The negotiators agreed.

American Airlines Group Inc said Thursday it was extending cancellations of 737 MAX flights through April 6.

Among the projects signed at China Tianjin International Fair for Investment and Trade, 12 were related to high technology like artificial intelligence and biotechnology, with an investment of 1.68 billion yuan, according to the event organizer.

Amazon’s overall job growth, including jobs at its Seattle headquarters, has been significant. The company has more than tripled in size in three years, now approaching 100,000 direct employees.

Among concerns is that burning ammonia produces polluting nitrogen oxides, which modern coal-fired plants are built to capture, but would require adaptations at gas power stations.